61339960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139409}}^1$

素因数の和:139431

約数の個数: 32

約数和(自身を含む): 150562800

約数和(自身を除く): 89222840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 139409, 278818, 557636, 697045, 1115272, 1394090, 1533499, 2788180, 3066998, 5576360, 6133996, 7667495, 12267992, 15334990, 30669980, 61339960]

約数ペア:

[(1, 61339960), (2, 30669980), (4, 15334990), (5, 12267992), (8, 7667495), (10, 6133996), (11, 5576360), (20, 3066998), (22, 2788180), (40, 1533499), (44, 1394090), (55, 1115272), (88, 697045), (110, 557636), (220, 278818), (440, 139409)]