28825280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:478

約数の個数: 112

約数和(自身を含む): 79004160

約数和(自身を除く): 50178880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 320, 352, 380, 418, 431, 440, 608, 704, 760, 836, 862, 880, 1045, 1216, 1520, 1672, 1724, 1760, 2090, 2155, 3040, 3344, 3448, 3520, 4180, 4310, 4741, 6080, 6688, 6896, 8189, 8360, 8620, 9482, 13376, 13792, 16378, 16720, 17240, 18964, 23705, 27584, 32756, 33440, 34480, 37928, 40945, 47410, 65512, 66880, 68960, 75856, 81890, 90079, 94820, 131024, 137920, 151712, 163780, 180158, 189640, 262048, 303424, 327560, 360316, 379280, 450395, 524096, 655120, 720632, 758560, 900790, 1310240, 1441264, 1517120, 1801580, 2620480, 2882528, 3603160, 5765056, 7206320, 14412640, 28825280]

約数ペア:

[(1, 28825280), (2, 14412640), (4, 7206320), (5, 5765056), (8, 3603160), (10, 2882528), (11, 2620480), (16, 1801580), (19, 1517120), (20, 1441264), (22, 1310240), (32, 900790), (38, 758560), (40, 720632), (44, 655120), (55, 524096), (64, 450395), (76, 379280), (80, 360316), (88, 327560), (95, 303424), (110, 262048), (152, 189640), (160, 180158), (176, 163780), (190, 151712), (209, 137920), (220, 131024), (304, 94820), (320, 90079), (352, 81890), (380, 75856), (418, 68960), (431, 66880), (440, 65512), (608, 47410), (704, 40945), (760, 37928), (836, 34480), (862, 33440), (880, 32756), (1045, 27584), (1216, 23705), (1520, 18964), (1672, 17240), (1724, 16720), (1760, 16378), (2090, 13792), (2155, 13376), (3040, 9482), (3344, 8620), (3448, 8360), (3520, 8189), (4180, 6896), (4310, 6688), (4741, 6080)]