15190220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12451}}^1$

素因数の和:12521

約数の個数: 24

約数和(自身を含む): 32425008

約数和(自身を除く): 17234788

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 12451, 24902, 49804, 62255, 124510, 249020, 759511, 1519022, 3038044, 3797555, 7595110, 15190220]

約数ペア:

[(1, 15190220), (2, 7595110), (4, 3797555), (5, 3038044), (10, 1519022), (20, 759511), (61, 249020), (122, 124510), (244, 62255), (305, 49804), (610, 24902), (1220, 12451)]