140253920

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28277}}^1$

素因数の和:28323

約数の個数: 48

約数和(自身を含む): 342050688

約数和(自身を除く): 201796768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 28277, 56554, 113108, 141385, 226216, 282770, 452432, 565540, 876587, 904864, 1131080, 1753174, 2262160, 3506348, 4382935, 4524320, 7012696, 8765870, 14025392, 17531740, 28050784, 35063480, 70126960, 140253920]

約数ペア:

[(1, 140253920), (2, 70126960), (4, 35063480), (5, 28050784), (8, 17531740), (10, 14025392), (16, 8765870), (20, 7012696), (31, 4524320), (32, 4382935), (40, 3506348), (62, 2262160), (80, 1753174), (124, 1131080), (155, 904864), (160, 876587), (248, 565540), (310, 452432), (496, 282770), (620, 226216), (992, 141385), (1240, 113108), (2480, 56554), (4960, 28277)]