61980820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{2633}}^1$

素因数の和:2760

約数の個数: 48

約数和(自身を含む): 143373888

約数和(自身を除く): 81393068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 1070, 1177, 2140, 2354, 2633, 4708, 5266, 5885, 10532, 11770, 13165, 23540, 26330, 28963, 52660, 57926, 115852, 144815, 281731, 289630, 563462, 579260, 1126924, 1408655, 2817310, 3099041, 5634620, 6198082, 12396164, 15495205, 30990410, 61980820]

約数ペア:

[(1, 61980820), (2, 30990410), (4, 15495205), (5, 12396164), (10, 6198082), (11, 5634620), (20, 3099041), (22, 2817310), (44, 1408655), (55, 1126924), (107, 579260), (110, 563462), (214, 289630), (220, 281731), (428, 144815), (535, 115852), (1070, 57926), (1177, 52660), (2140, 28963), (2354, 26330), (2633, 23540), (4708, 13165), (5266, 11770), (5885, 10532)]