66689680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26891}}^1$

素因数の和:26935

約数の個数: 40

約数和(自身を含む): 160061184

約数和(自身を除く): 93371504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 26891, 53782, 107564, 134455, 215128, 268910, 430256, 537820, 833621, 1075640, 1667242, 2151280, 3334484, 4168105, 6668968, 8336210, 13337936, 16672420, 33344840, 66689680]

約数ペア:

[(1, 66689680), (2, 33344840), (4, 16672420), (5, 13337936), (8, 8336210), (10, 6668968), (16, 4168105), (20, 3334484), (31, 2151280), (40, 1667242), (62, 1075640), (80, 833621), (124, 537820), (155, 430256), (248, 268910), (310, 215128), (496, 134455), (620, 107564), (1240, 53782), (2480, 26891)]