1236690820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1013681}}^1$

素因数の和:1013751

約数の個数: 24

約数和(自身を含む): 2639627928

約数和(自身を除く): 1402937108

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1013681, 2027362, 4054724, 5068405, 10136810, 20273620, 61834541, 123669082, 247338164, 309172705, 618345410, 1236690820]

約数ペア:

[(1, 1236690820), (2, 618345410), (4, 309172705), (5, 247338164), (10, 123669082), (20, 61834541), (61, 20273620), (122, 10136810), (244, 5068405), (305, 4054724), (610, 2027362), (1220, 1013681)]