156836720

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12487}}^1$

素因数の和:12657

約数の個数: 40

約数和(自身を含む): 366997344

約数和(自身を除く): 210160624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12487, 12560, 24974, 49948, 62435, 99896, 124870, 199792, 249740, 499480, 998960, 1960459, 3920918, 7841836, 9802295, 15683672, 19604590, 31367344, 39209180, 78418360, 156836720]

約数ペア:

[(1, 156836720), (2, 78418360), (4, 39209180), (5, 31367344), (8, 19604590), (10, 15683672), (16, 9802295), (20, 7841836), (40, 3920918), (80, 1960459), (157, 998960), (314, 499480), (628, 249740), (785, 199792), (1256, 124870), (1570, 99896), (2512, 62435), (3140, 49948), (6280, 24974), (12487, 12560)]