39896960

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:248

約数の個数: 128

約数和(自身を含む): 106855200

約数和(自身を除く): 66958240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 160, 170, 190, 193, 272, 304, 320, 323, 340, 380, 386, 544, 608, 640, 646, 680, 760, 772, 965, 1088, 1216, 1292, 1360, 1520, 1544, 1615, 1930, 2176, 2432, 2584, 2720, 3040, 3088, 3230, 3281, 3667, 3860, 5168, 5440, 6080, 6176, 6460, 6562, 7334, 7720, 10336, 10880, 12160, 12352, 12920, 13124, 14668, 15440, 16405, 18335, 20672, 24704, 25840, 26248, 29336, 30880, 32810, 36670, 41344, 51680, 52496, 58672, 61760, 62339, 65620, 73340, 103360, 104992, 117344, 123520, 124678, 131240, 146680, 206720, 209984, 234688, 249356, 262480, 293360, 311695, 419968, 469376, 498712, 524960, 586720, 623390, 997424, 1049920, 1173440, 1246780, 1994848, 2099840, 2346880, 2493560, 3989696, 4987120, 7979392, 9974240, 19948480, 39896960]

約数ペア:

[(1, 39896960), (2, 19948480), (4, 9974240), (5, 7979392), (8, 4987120), (10, 3989696), (16, 2493560), (17, 2346880), (19, 2099840), (20, 1994848), (32, 1246780), (34, 1173440), (38, 1049920), (40, 997424), (64, 623390), (68, 586720), (76, 524960), (80, 498712), (85, 469376), (95, 419968), (128, 311695), (136, 293360), (152, 262480), (160, 249356), (170, 234688), (190, 209984), (193, 206720), (272, 146680), (304, 131240), (320, 124678), (323, 123520), (340, 117344), (380, 104992), (386, 103360), (544, 73340), (608, 65620), (640, 62339), (646, 61760), (680, 58672), (760, 52496), (772, 51680), (965, 41344), (1088, 36670), (1216, 32810), (1292, 30880), (1360, 29336), (1520, 26248), (1544, 25840), (1615, 24704), (1930, 20672), (2176, 18335), (2432, 16405), (2584, 15440), (2720, 14668), (3040, 13124), (3088, 12920), (3230, 12352), (3281, 12160), (3667, 10880), (3860, 10336), (5168, 7720), (5440, 7334), (6080, 6562), (6176, 6460)]