81080860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{7331}}^1$

素因数の和:7426

約数の個数: 48

約数和(自身を含む): 197084160

約数和(自身を除く): 116003300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 7331, 11060, 14662, 29324, 36655, 51317, 73310, 102634, 146620, 205268, 256585, 513170, 579149, 1026340, 1158298, 2316596, 2895745, 4054043, 5791490, 8108086, 11582980, 16216172, 20270215, 40540430, 81080860]

約数ペア:

[(1, 81080860), (2, 40540430), (4, 20270215), (5, 16216172), (7, 11582980), (10, 8108086), (14, 5791490), (20, 4054043), (28, 2895745), (35, 2316596), (70, 1158298), (79, 1026340), (140, 579149), (158, 513170), (316, 256585), (395, 205268), (553, 146620), (790, 102634), (1106, 73310), (1580, 51317), (2212, 36655), (2765, 29324), (5530, 14662), (7331, 11060)]