15984920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{57089}}^1$

素因数の和:57107

約数の個数: 32

約数和(自身を含む): 41104800

約数和(自身を除く): 25119880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 57089, 114178, 228356, 285445, 399623, 456712, 570890, 799246, 1141780, 1598492, 1998115, 2283560, 3196984, 3996230, 7992460, 15984920]

約数ペア:

[(1, 15984920), (2, 7992460), (4, 3996230), (5, 3196984), (7, 2283560), (8, 1998115), (10, 1598492), (14, 1141780), (20, 799246), (28, 570890), (35, 456712), (40, 399623), (56, 285445), (70, 228356), (140, 114178), (280, 57089)]