38867920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:333

約数の個数: 160

約数和(自身を含む): 117492480

約数和(自身を除く): 78624560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 182, 190, 208, 247, 260, 266, 280, 281, 304, 364, 380, 455, 494, 520, 532, 560, 562, 665, 728, 760, 910, 988, 1040, 1064, 1124, 1235, 1330, 1405, 1456, 1520, 1729, 1820, 1967, 1976, 2128, 2248, 2470, 2660, 2810, 3458, 3640, 3653, 3934, 3952, 4496, 4940, 5320, 5339, 5620, 6916, 7280, 7306, 7868, 8645, 9835, 9880, 10640, 10678, 11240, 13832, 14612, 15736, 17290, 18265, 19670, 19760, 21356, 22480, 25571, 26695, 27664, 29224, 31472, 34580, 36530, 37373, 39340, 42712, 51142, 53390, 58448, 69160, 69407, 73060, 74746, 78680, 85424, 102284, 106780, 127855, 138320, 138814, 146120, 149492, 157360, 186865, 204568, 213560, 255710, 277628, 292240, 298984, 347035, 373730, 409136, 427120, 485849, 511420, 555256, 597968, 694070, 747460, 971698, 1022840, 1110512, 1388140, 1494920, 1943396, 2045680, 2429245, 2776280, 2989840, 3886792, 4858490, 5552560, 7773584, 9716980, 19433960, 38867920]

約数ペア:

[(1, 38867920), (2, 19433960), (4, 9716980), (5, 7773584), (7, 5552560), (8, 4858490), (10, 3886792), (13, 2989840), (14, 2776280), (16, 2429245), (19, 2045680), (20, 1943396), (26, 1494920), (28, 1388140), (35, 1110512), (38, 1022840), (40, 971698), (52, 747460), (56, 694070), (65, 597968), (70, 555256), (76, 511420), (80, 485849), (91, 427120), (95, 409136), (104, 373730), (112, 347035), (130, 298984), (133, 292240), (140, 277628), (152, 255710), (182, 213560), (190, 204568), (208, 186865), (247, 157360), (260, 149492), (266, 146120), (280, 138814), (281, 138320), (304, 127855), (364, 106780), (380, 102284), (455, 85424), (494, 78680), (520, 74746), (532, 73060), (560, 69407), (562, 69160), (665, 58448), (728, 53390), (760, 51142), (910, 42712), (988, 39340), (1040, 37373), (1064, 36530), (1124, 34580), (1235, 31472), (1330, 29224), (1405, 27664), (1456, 26695), (1520, 25571), (1729, 22480), (1820, 21356), (1967, 19760), (1976, 19670), (2128, 18265), (2248, 17290), (2470, 15736), (2660, 14612), (2810, 13832), (3458, 11240), (3640, 10678), (3653, 10640), (3934, 9880), (3952, 9835), (4496, 8645), (4940, 7868), (5320, 7306), (5339, 7280), (5620, 6916)]