39684840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25439}}^1$

素因数の和:25466

約数の個数: 64

約数和(自身を含む): 128217600

約数和(自身を除く): 88532760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 25439, 50878, 76317, 101756, 127195, 152634, 203512, 254390, 305268, 330707, 381585, 508780, 610536, 661414, 763170, 992121, 1017560, 1322828, 1526340, 1653535, 1984242, 2645656, 3052680, 3307070, 3968484, 4960605, 6614140, 7936968, 9921210, 13228280, 19842420, 39684840]

約数ペア:

[(1, 39684840), (2, 19842420), (3, 13228280), (4, 9921210), (5, 7936968), (6, 6614140), (8, 4960605), (10, 3968484), (12, 3307070), (13, 3052680), (15, 2645656), (20, 1984242), (24, 1653535), (26, 1526340), (30, 1322828), (39, 1017560), (40, 992121), (52, 763170), (60, 661414), (65, 610536), (78, 508780), (104, 381585), (120, 330707), (130, 305268), (156, 254390), (195, 203512), (260, 152634), (312, 127195), (390, 101756), (520, 76317), (780, 50878), (1560, 25439)]