15691112680

素因数分解:

$2^3\times 5^1\times {\mathrm{2687}}^1\times {\mathrm{145991}}^1$

素因数の和:148689

約数の個数: 32

約数和(自身を含む): 35318384640

約数和(自身を除く): 19627271960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2687, 5374, 10748, 13435, 21496, 26870, 53740, 107480, 145991, 291982, 583964, 729955, 1167928, 1459910, 2919820, 5839640, 392277817, 784555634, 1569111268, 1961389085, 3138222536, 3922778170, 7845556340, 15691112680]

約数ペア:

[(1, 15691112680), (2, 7845556340), (4, 3922778170), (5, 3138222536), (8, 1961389085), (10, 1569111268), (20, 784555634), (40, 392277817), (2687, 5839640), (5374, 2919820), (10748, 1459910), (13435, 1167928), (21496, 729955), (26870, 583964), (53740, 291982), (107480, 145991)]