166572920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{134333}}^1$

素因数の和:134375

約数の個数: 32

約数和(自身を含む): 386881920

約数和(自身を除く): 220309000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 134333, 268666, 537332, 671665, 1074664, 1343330, 2686660, 4164323, 5373320, 8328646, 16657292, 20821615, 33314584, 41643230, 83286460, 166572920]

約数ペア:

[(1, 166572920), (2, 83286460), (4, 41643230), (5, 33314584), (8, 20821615), (10, 16657292), (20, 8328646), (31, 5373320), (40, 4164323), (62, 2686660), (124, 1343330), (155, 1074664), (248, 671665), (310, 537332), (620, 268666), (1240, 134333)]