61145480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{138967}}^1$

素因数の和:138989

約数の個数: 32

約数和(自身を含む): 150085440

約数和(自身を除く): 88939960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 138967, 277934, 555868, 694835, 1111736, 1389670, 1528637, 2779340, 3057274, 5558680, 6114548, 7643185, 12229096, 15286370, 30572740, 61145480]

約数ペア:

[(1, 61145480), (2, 30572740), (4, 15286370), (5, 12229096), (8, 7643185), (10, 6114548), (11, 5558680), (20, 3057274), (22, 2779340), (40, 1528637), (44, 1389670), (55, 1111736), (88, 694835), (110, 555868), (220, 277934), (440, 138967)]