51988820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4877}}^1$

素因数の和:4940

約数の個数: 48

約数和(自身を含む): 120467088

約数和(自身を除く): 68478268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 4877, 5330, 9754, 10660, 19508, 24385, 48770, 63401, 97540, 126802, 199957, 253604, 317005, 399914, 634010, 799828, 999785, 1268020, 1999570, 2599441, 3999140, 5198882, 10397764, 12997205, 25994410, 51988820]

約数ペア:

[(1, 51988820), (2, 25994410), (4, 12997205), (5, 10397764), (10, 5198882), (13, 3999140), (20, 2599441), (26, 1999570), (41, 1268020), (52, 999785), (65, 799828), (82, 634010), (130, 399914), (164, 317005), (205, 253604), (260, 199957), (410, 126802), (533, 97540), (820, 63401), (1066, 48770), (2132, 24385), (2665, 19508), (4877, 10660), (5330, 9754)]