87159920

素因数分解:

$2^4\times 5^1\times {\mathrm{797}}^1\times {\mathrm{1367}}^1$

素因数の和:2177

約数の個数: 40

約数和(自身を含む): 203049504

約数和(自身を除く): 115889584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 797, 1367, 1594, 2734, 3188, 3985, 5468, 6376, 6835, 7970, 10936, 12752, 13670, 15940, 21872, 27340, 31880, 54680, 63760, 109360, 1089499, 2178998, 4357996, 5447495, 8715992, 10894990, 17431984, 21789980, 43579960, 87159920]

約数ペア:

[(1, 87159920), (2, 43579960), (4, 21789980), (5, 17431984), (8, 10894990), (10, 8715992), (16, 5447495), (20, 4357996), (40, 2178998), (80, 1089499), (797, 109360), (1367, 63760), (1594, 54680), (2734, 31880), (3188, 27340), (3985, 21872), (5468, 15940), (6376, 13670), (6835, 12752), (7970, 10936)]