68638750

素因数分解:

$2^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{1277}}^1$

素因数の和:1342

約数の個数: 40

約数和(自身を含む): 131751576

約数和(自身を除く): 63112826

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 125, 215, 250, 430, 625, 1075, 1250, 1277, 2150, 2554, 5375, 6385, 10750, 12770, 26875, 31925, 53750, 54911, 63850, 109822, 159625, 274555, 319250, 549110, 798125, 1372775, 1596250, 2745550, 6863875, 13727750, 34319375, 68638750]

約数ペア:

[(1, 68638750), (2, 34319375), (5, 13727750), (10, 6863875), (25, 2745550), (43, 1596250), (50, 1372775), (86, 798125), (125, 549110), (215, 319250), (250, 274555), (430, 159625), (625, 109822), (1075, 63850), (1250, 54911), (1277, 53750), (2150, 31925), (2554, 26875), (5375, 12770), (6385, 10750)]