79536080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2467}}^1$

素因数の和:2524

約数の個数: 80

約数和(自身を含む): 205653504

約数和(自身を除く): 126117424

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2467, 2480, 3224, 4030, 4934, 6448, 8060, 9868, 12335, 16120, 19736, 24670, 32071, 32240, 39472, 49340, 64142, 76477, 98680, 128284, 152954, 160355, 197360, 256568, 305908, 320710, 382385, 513136, 611816, 641420, 764770, 994201, 1223632, 1282840, 1529540, 1988402, 2565680, 3059080, 3976804, 4971005, 6118160, 7953608, 9942010, 15907216, 19884020, 39768040, 79536080]

約数ペア:

[(1, 79536080), (2, 39768040), (4, 19884020), (5, 15907216), (8, 9942010), (10, 7953608), (13, 6118160), (16, 4971005), (20, 3976804), (26, 3059080), (31, 2565680), (40, 1988402), (52, 1529540), (62, 1282840), (65, 1223632), (80, 994201), (104, 764770), (124, 641420), (130, 611816), (155, 513136), (208, 382385), (248, 320710), (260, 305908), (310, 256568), (403, 197360), (496, 160355), (520, 152954), (620, 128284), (806, 98680), (1040, 76477), (1240, 64142), (1612, 49340), (2015, 39472), (2467, 32240), (2480, 32071), (3224, 24670), (4030, 19736), (4934, 16120), (6448, 12335), (8060, 9868)]