88319920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{521}}^1$

素因数の和:710

約数の個数: 80

約数和(自身を含む): 222923232

約数和(自身を除く): 134603312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 163, 208, 260, 326, 520, 521, 652, 815, 1040, 1042, 1304, 1630, 2084, 2119, 2605, 2608, 3260, 4168, 4238, 5210, 6520, 6773, 8336, 8476, 10420, 10595, 13040, 13546, 16952, 20840, 21190, 27092, 33865, 33904, 41680, 42380, 54184, 67730, 84760, 84923, 108368, 135460, 169520, 169846, 270920, 339692, 424615, 541840, 679384, 849230, 1103999, 1358768, 1698460, 2207998, 3396920, 4415996, 5519995, 6793840, 8831992, 11039990, 17663984, 22079980, 44159960, 88319920]

約数ペア:

[(1, 88319920), (2, 44159960), (4, 22079980), (5, 17663984), (8, 11039990), (10, 8831992), (13, 6793840), (16, 5519995), (20, 4415996), (26, 3396920), (40, 2207998), (52, 1698460), (65, 1358768), (80, 1103999), (104, 849230), (130, 679384), (163, 541840), (208, 424615), (260, 339692), (326, 270920), (520, 169846), (521, 169520), (652, 135460), (815, 108368), (1040, 84923), (1042, 84760), (1304, 67730), (1630, 54184), (2084, 42380), (2119, 41680), (2605, 33904), (2608, 33865), (3260, 27092), (4168, 21190), (4238, 20840), (5210, 16952), (6520, 13546), (6773, 13040), (8336, 10595), (8476, 10420)]