39871520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:718

約数の個数: 96

約数和(自身を含む): 105099120

約数和(自身を除く): 65227600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 65, 80, 104, 116, 130, 145, 160, 208, 232, 260, 290, 377, 416, 464, 520, 580, 661, 754, 928, 1040, 1160, 1322, 1508, 1885, 2080, 2320, 2644, 3016, 3305, 3770, 4640, 5288, 6032, 6610, 7540, 8593, 10576, 12064, 13220, 15080, 17186, 19169, 21152, 26440, 30160, 34372, 38338, 42965, 52880, 60320, 68744, 76676, 85930, 95845, 105760, 137488, 153352, 171860, 191690, 249197, 274976, 306704, 343720, 383380, 498394, 613408, 687440, 766760, 996788, 1245985, 1374880, 1533520, 1993576, 2491970, 3067040, 3987152, 4983940, 7974304, 9967880, 19935760, 39871520]

約数ペア:

[(1, 39871520), (2, 19935760), (4, 9967880), (5, 7974304), (8, 4983940), (10, 3987152), (13, 3067040), (16, 2491970), (20, 1993576), (26, 1533520), (29, 1374880), (32, 1245985), (40, 996788), (52, 766760), (58, 687440), (65, 613408), (80, 498394), (104, 383380), (116, 343720), (130, 306704), (145, 274976), (160, 249197), (208, 191690), (232, 171860), (260, 153352), (290, 137488), (377, 105760), (416, 95845), (464, 85930), (520, 76676), (580, 68744), (661, 60320), (754, 52880), (928, 42965), (1040, 38338), (1160, 34372), (1322, 30160), (1508, 26440), (1885, 21152), (2080, 19169), (2320, 17186), (2644, 15080), (3016, 13220), (3305, 12064), (3770, 10576), (4640, 8593), (5288, 7540), (6032, 6610)]