68967160

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{5209}}^1$

素因数の和:5551

約数の個数: 32

約数和(自身を含む): 155674800

約数和(自身を除く): 86707640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 5209, 6620, 10418, 13240, 20836, 26045, 41672, 52090, 104180, 208360, 1724179, 3448358, 6896716, 8620895, 13793432, 17241790, 34483580, 68967160]

約数ペア:

[(1, 68967160), (2, 34483580), (4, 17241790), (5, 13793432), (8, 8620895), (10, 6896716), (20, 3448358), (40, 1724179), (331, 208360), (662, 104180), (1324, 52090), (1655, 41672), (2648, 26045), (3310, 20836), (5209, 13240), (6620, 10418)]