68402120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{55163}}^1$

素因数の和:55205

約数の個数: 32

約数和(自身を含む): 158872320

約数和(自身を除く): 90470200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 55163, 110326, 220652, 275815, 441304, 551630, 1103260, 1710053, 2206520, 3420106, 6840212, 8550265, 13680424, 17100530, 34201060, 68402120]

約数ペア:

[(1, 68402120), (2, 34201060), (4, 17100530), (5, 13680424), (8, 8550265), (10, 6840212), (20, 3420106), (31, 2206520), (40, 1710053), (62, 1103260), (124, 551630), (155, 441304), (248, 275815), (310, 220652), (620, 110326), (1240, 55163)]