61320820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1321}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 141253056

約数和(自身を除く): 79932236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 211, 220, 422, 844, 1055, 1321, 2110, 2321, 2642, 4220, 4642, 5284, 6605, 9284, 11605, 13210, 14531, 23210, 26420, 29062, 46420, 58124, 72655, 145310, 278731, 290620, 557462, 1114924, 1393655, 2787310, 3066041, 5574620, 6132082, 12264164, 15330205, 30660410, 61320820]

約数ペア:

[(1, 61320820), (2, 30660410), (4, 15330205), (5, 12264164), (10, 6132082), (11, 5574620), (20, 3066041), (22, 2787310), (44, 1393655), (55, 1114924), (110, 557462), (211, 290620), (220, 278731), (422, 145310), (844, 72655), (1055, 58124), (1321, 46420), (2110, 29062), (2321, 26420), (2642, 23210), (4220, 14531), (4642, 13210), (5284, 11605), (6605, 9284)]