85481740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{70067}}^1$

素因数の和:70137

約数の個数: 24

約数和(自身を含む): 182457072

約数和(自身を除く): 96975332

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 70067, 140134, 280268, 350335, 700670, 1401340, 4274087, 8548174, 17096348, 21370435, 42740870, 85481740]

約数ペア:

[(1, 85481740), (2, 42740870), (4, 21370435), (5, 17096348), (10, 8548174), (20, 4274087), (61, 1401340), (122, 700670), (244, 350335), (305, 280268), (610, 140134), (1220, 70067)]