65970920

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{6271}}^1$

素因数の和:6545

約数の個数: 32

約数和(自身を含む): 149022720

約数和(自身を除く): 83051800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 6271, 10520, 12542, 25084, 31355, 50168, 62710, 125420, 250840, 1649273, 3298546, 6597092, 8246365, 13194184, 16492730, 32985460, 65970920]

約数ペア:

[(1, 65970920), (2, 32985460), (4, 16492730), (5, 13194184), (8, 8246365), (10, 6597092), (20, 3298546), (40, 1649273), (263, 250840), (526, 125420), (1052, 62710), (1315, 50168), (2104, 31355), (2630, 25084), (5260, 12542), (6271, 10520)]