87269960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{70379}}^1$

素因数の和:70421

約数の個数: 32

約数和(自身を含む): 202694400

約数和(自身を除く): 115424440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 70379, 140758, 281516, 351895, 563032, 703790, 1407580, 2181749, 2815160, 4363498, 8726996, 10908745, 17453992, 21817490, 43634980, 87269960]

約数ペア:

[(1, 87269960), (2, 43634980), (4, 21817490), (5, 17453992), (8, 10908745), (10, 8726996), (20, 4363498), (31, 2815160), (40, 2181749), (62, 1407580), (124, 703790), (155, 563032), (248, 351895), (310, 281516), (620, 140758), (1240, 70379)]