15872184560

素因数分解:

$2^4\times 5^1\times {\mathrm{198402307}}^1$

素因数の和:198402320

約数の個数: 20

約数和(自身を含む): 36902829288

約数和(自身を除く): 21030644728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 198402307, 396804614, 793609228, 992011535, 1587218456, 1984023070, 3174436912, 3968046140, 7936092280, 15872184560]

約数ペア:

[(1, 15872184560), (2, 7936092280), (4, 3968046140), (5, 3174436912), (8, 1984023070), (10, 1587218456), (16, 992011535), (20, 793609228), (40, 396804614), (80, 198402307)]