51635980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2971}}^1$

素因数の和:3070

約数の個数: 48

約数和(自身を含む): 119831040

約数和(自身を除く): 68195060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 2971, 3476, 4345, 5942, 8690, 11884, 14855, 17380, 29710, 32681, 59420, 65362, 130724, 163405, 234709, 326810, 469418, 653620, 938836, 1173545, 2347090, 2581799, 4694180, 5163598, 10327196, 12908995, 25817990, 51635980]

約数ペア:

[(1, 51635980), (2, 25817990), (4, 12908995), (5, 10327196), (10, 5163598), (11, 4694180), (20, 2581799), (22, 2347090), (44, 1173545), (55, 938836), (79, 653620), (110, 469418), (158, 326810), (220, 234709), (316, 163405), (395, 130724), (790, 65362), (869, 59420), (1580, 32681), (1738, 29710), (2971, 17380), (3476, 14855), (4345, 11884), (5942, 8690)]