39758680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 97151040

約数和(自身を除く): 57392360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 487, 520, 628, 785, 974, 1256, 1570, 1948, 2041, 2435, 3140, 3896, 4082, 4870, 6280, 6331, 8164, 9740, 10205, 12662, 16328, 19480, 20410, 25324, 31655, 40820, 50648, 63310, 76459, 81640, 126620, 152918, 253240, 305836, 382295, 611672, 764590, 993967, 1529180, 1987934, 3058360, 3975868, 4969835, 7951736, 9939670, 19879340, 39758680]

約数ペア:

[(1, 39758680), (2, 19879340), (4, 9939670), (5, 7951736), (8, 4969835), (10, 3975868), (13, 3058360), (20, 1987934), (26, 1529180), (40, 993967), (52, 764590), (65, 611672), (104, 382295), (130, 305836), (157, 253240), (260, 152918), (314, 126620), (487, 81640), (520, 76459), (628, 63310), (785, 50648), (974, 40820), (1256, 31655), (1570, 25324), (1948, 20410), (2041, 19480), (2435, 16328), (3140, 12662), (3896, 10205), (4082, 9740), (4870, 8164), (6280, 6331)]