86658640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:548

約数の個数: 80

約数和(自身を含む): 210986496

約数和(自身を除く): 124327856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 83, 124, 155, 166, 248, 310, 332, 415, 421, 496, 620, 664, 830, 842, 1240, 1328, 1660, 1684, 2105, 2480, 2573, 3320, 3368, 4210, 5146, 6640, 6736, 8420, 10292, 12865, 13051, 16840, 20584, 25730, 26102, 33680, 34943, 41168, 51460, 52204, 65255, 69886, 102920, 104408, 130510, 139772, 174715, 205840, 208816, 261020, 279544, 349430, 522040, 559088, 698860, 1044080, 1083233, 1397720, 2166466, 2795440, 4332932, 5416165, 8665864, 10832330, 17331728, 21664660, 43329320, 86658640]

約数ペア:

[(1, 86658640), (2, 43329320), (4, 21664660), (5, 17331728), (8, 10832330), (10, 8665864), (16, 5416165), (20, 4332932), (31, 2795440), (40, 2166466), (62, 1397720), (80, 1083233), (83, 1044080), (124, 698860), (155, 559088), (166, 522040), (248, 349430), (310, 279544), (332, 261020), (415, 208816), (421, 205840), (496, 174715), (620, 139772), (664, 130510), (830, 104408), (842, 102920), (1240, 69886), (1328, 65255), (1660, 52204), (1684, 51460), (2105, 41168), (2480, 34943), (2573, 33680), (3320, 26102), (3368, 25730), (4210, 20584), (5146, 16840), (6640, 13051), (6736, 12865), (8420, 10292)]