79519960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4933}}^1$

素因数の和:4988

約数の個数: 64

約数和(自身を含む): 198938880

約数和(自身を除く): 119418920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 4933, 8060, 9866, 16120, 19732, 24665, 39464, 49330, 64129, 98660, 128258, 152923, 197320, 256516, 305846, 320645, 513032, 611692, 641290, 764615, 1223384, 1282580, 1529230, 1987999, 2565160, 3058460, 3975998, 6116920, 7951996, 9939995, 15903992, 19879990, 39759980, 79519960]

約数ペア:

[(1, 79519960), (2, 39759980), (4, 19879990), (5, 15903992), (8, 9939995), (10, 7951996), (13, 6116920), (20, 3975998), (26, 3058460), (31, 2565160), (40, 1987999), (52, 1529230), (62, 1282580), (65, 1223384), (104, 764615), (124, 641290), (130, 611692), (155, 513032), (248, 320645), (260, 305846), (310, 256516), (403, 197320), (520, 152923), (620, 128258), (806, 98660), (1240, 64129), (1612, 49330), (2015, 39464), (3224, 24665), (4030, 19732), (4933, 16120), (8060, 9866)]