202954520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163673}}^1$

素因数の和:163715

約数の個数: 32

約数和(自身を含む): 471381120

約数和(自身を除く): 268426600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 163673, 327346, 654692, 818365, 1309384, 1636730, 3273460, 5073863, 6546920, 10147726, 20295452, 25369315, 40590904, 50738630, 101477260, 202954520]

約数ペア:

[(1, 202954520), (2, 101477260), (4, 50738630), (5, 40590904), (8, 25369315), (10, 20295452), (20, 10147726), (31, 6546920), (40, 5073863), (62, 3273460), (124, 1636730), (155, 1309384), (248, 818365), (310, 654692), (620, 327346), (1240, 163673)]