10219120

素因数分解:

$2^4\times 5^1\times {\mathrm{127739}}^1$

素因数の和:127752

約数の個数: 20

約数和(自身を含む): 23759640

約数和(自身を除く): 13540520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127739, 255478, 510956, 638695, 1021912, 1277390, 2043824, 2554780, 5109560, 10219120]

約数ペア:

[(1, 10219120), (2, 5109560), (4, 2554780), (5, 2043824), (8, 1277390), (10, 1021912), (16, 638695), (20, 510956), (40, 255478), (80, 127739)]