51814240

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2971}}^1$

素因数の和:3095

約数の個数: 48

約数和(自身を含む): 123575760

約数和(自身を除く): 71761520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 2971, 3488, 4360, 5942, 8720, 11884, 14855, 17440, 23768, 29710, 47536, 59420, 95072, 118840, 237680, 323839, 475360, 647678, 1295356, 1619195, 2590712, 3238390, 5181424, 6476780, 10362848, 12953560, 25907120, 51814240]

約数ペア:

[(1, 51814240), (2, 25907120), (4, 12953560), (5, 10362848), (8, 6476780), (10, 5181424), (16, 3238390), (20, 2590712), (32, 1619195), (40, 1295356), (80, 647678), (109, 475360), (160, 323839), (218, 237680), (436, 118840), (545, 95072), (872, 59420), (1090, 47536), (1744, 29710), (2180, 23768), (2971, 17440), (3488, 14855), (4360, 11884), (5942, 8720)]