87453790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{3571}}^1$

素因数の和:3688

約数の個数: 32

約数和(自身を含む): 164597760

約数和(自身を除く): 77143970

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 2449, 3571, 4898, 7142, 12245, 17855, 24490, 35710, 110701, 221402, 282109, 553505, 564218, 1107010, 1410545, 2821090, 8745379, 17490758, 43726895, 87453790]

約数ペア:

[(1, 87453790), (2, 43726895), (5, 17490758), (10, 8745379), (31, 2821090), (62, 1410545), (79, 1107010), (155, 564218), (158, 553505), (310, 282109), (395, 221402), (790, 110701), (2449, 35710), (3571, 24490), (4898, 17855), (7142, 12245)]