25382540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 55792800

約数和(自身を除く): 30410260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 107, 116, 145, 214, 290, 409, 428, 535, 580, 818, 1070, 1636, 2045, 2140, 3103, 4090, 6206, 8180, 11861, 12412, 15515, 23722, 31030, 43763, 47444, 59305, 62060, 87526, 118610, 175052, 218815, 237220, 437630, 875260, 1269127, 2538254, 5076508, 6345635, 12691270, 25382540]

約数ペア:

[(1, 25382540), (2, 12691270), (4, 6345635), (5, 5076508), (10, 2538254), (20, 1269127), (29, 875260), (58, 437630), (107, 237220), (116, 218815), (145, 175052), (214, 118610), (290, 87526), (409, 62060), (428, 59305), (535, 47444), (580, 43763), (818, 31030), (1070, 23722), (1636, 15515), (2045, 12412), (2140, 11861), (3103, 8180), (4090, 6206)]