80728700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{62099}}^1$

素因数の和:62126

約数の個数: 36

約数和(自身を含む): 188659800

約数和(自身を除く): 107931100

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 62099, 124198, 248396, 310495, 620990, 807287, 1241980, 1552475, 1614574, 3104950, 3229148, 4036435, 6209900, 8072870, 16145740, 20182175, 40364350, 80728700]

約数ペア:

[(1, 80728700), (2, 40364350), (4, 20182175), (5, 16145740), (10, 8072870), (13, 6209900), (20, 4036435), (25, 3229148), (26, 3104950), (50, 1614574), (52, 1552475), (65, 1241980), (100, 807287), (130, 620990), (260, 310495), (325, 248396), (650, 124198), (1300, 62099)]