12579820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 29062656

約数和(自身を除く): 16482836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 211, 220, 271, 422, 542, 844, 1055, 1084, 1355, 2110, 2321, 2710, 2981, 4220, 4642, 5420, 5962, 9284, 11605, 11924, 14905, 23210, 29810, 46420, 57181, 59620, 114362, 228724, 285905, 571810, 628991, 1143620, 1257982, 2515964, 3144955, 6289910, 12579820]

約数ペア:

[(1, 12579820), (2, 6289910), (4, 3144955), (5, 2515964), (10, 1257982), (11, 1143620), (20, 628991), (22, 571810), (44, 285905), (55, 228724), (110, 114362), (211, 59620), (220, 57181), (271, 46420), (422, 29810), (542, 23210), (844, 14905), (1055, 11924), (1084, 11605), (1355, 9284), (2110, 5962), (2321, 5420), (2710, 4642), (2981, 4220)]