68401720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{58967}}^1$

素因数の和:59007

約数の個数: 32

約数和(自身を含む): 159213600

約数和(自身を除く): 90811880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 58967, 117934, 235868, 294835, 471736, 589670, 1179340, 1710043, 2358680, 3420086, 6840172, 8550215, 13680344, 17100430, 34200860, 68401720]

約数ペア:

[(1, 68401720), (2, 34200860), (4, 17100430), (5, 13680344), (8, 8550215), (10, 6840172), (20, 3420086), (29, 2358680), (40, 1710043), (58, 1179340), (116, 589670), (145, 471736), (232, 294835), (290, 235868), (580, 117934), (1160, 58967)]