100877720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{81353}}^1$

素因数の和:81395

約数の個数: 32

約数和(自身を含む): 234299520

約数和(自身を除く): 133421800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 81353, 162706, 325412, 406765, 650824, 813530, 1627060, 2521943, 3254120, 5043886, 10087772, 12609715, 20175544, 25219430, 50438860, 100877720]

約数ペア:

[(1, 100877720), (2, 50438860), (4, 25219430), (5, 20175544), (8, 12609715), (10, 10087772), (20, 5043886), (31, 3254120), (40, 2521943), (62, 1627060), (124, 813530), (155, 650824), (248, 406765), (310, 325412), (620, 162706), (1240, 81353)]