31468840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{829}}^1$

素因数の和:926

約数の個数: 64

約数和(自身を含む): 77389200

約数和(自身を除く): 45920360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 520, 584, 730, 829, 949, 1460, 1658, 1898, 2920, 3316, 3796, 4145, 4745, 6632, 7592, 8290, 9490, 10777, 16580, 18980, 21554, 33160, 37960, 43108, 53885, 60517, 86216, 107770, 121034, 215540, 242068, 302585, 431080, 484136, 605170, 786721, 1210340, 1573442, 2420680, 3146884, 3933605, 6293768, 7867210, 15734420, 31468840]

約数ペア:

[(1, 31468840), (2, 15734420), (4, 7867210), (5, 6293768), (8, 3933605), (10, 3146884), (13, 2420680), (20, 1573442), (26, 1210340), (40, 786721), (52, 605170), (65, 484136), (73, 431080), (104, 302585), (130, 242068), (146, 215540), (260, 121034), (292, 107770), (365, 86216), (520, 60517), (584, 53885), (730, 43108), (829, 37960), (949, 33160), (1460, 21554), (1658, 18980), (1898, 16580), (2920, 10777), (3316, 9490), (3796, 8290), (4145, 7592), (4745, 6632)]