248860240

素因数分解:

$2^4\times 5^1\times {\mathrm{3110753}}^1$

素因数の和:3110766

約数の個数: 20

約数和(自身を含む): 578600244

約数和(自身を除く): 329740004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3110753, 6221506, 12443012, 15553765, 24886024, 31107530, 49772048, 62215060, 124430120, 248860240]

約数ペア:

[(1, 248860240), (2, 124430120), (4, 62215060), (5, 49772048), (8, 31107530), (10, 24886024), (16, 15553765), (20, 12443012), (40, 6221506), (80, 3110753)]