51755920

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3251}}^1$

素因数の和:3463

約数の個数: 40

約数和(自身を含む): 120974400

約数和(自身を除く): 69218480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3251, 3980, 6502, 7960, 13004, 15920, 16255, 26008, 32510, 52016, 65020, 130040, 260080, 646949, 1293898, 2587796, 3234745, 5175592, 6469490, 10351184, 12938980, 25877960, 51755920]

約数ペア:

[(1, 51755920), (2, 25877960), (4, 12938980), (5, 10351184), (8, 6469490), (10, 5175592), (16, 3234745), (20, 2587796), (40, 1293898), (80, 646949), (199, 260080), (398, 130040), (796, 65020), (995, 52016), (1592, 32510), (1990, 26008), (3184, 16255), (3251, 15920), (3980, 13004), (6502, 7960)]