2017205360

素因数分解:

$2^4\times 5^1\times {\mathrm{25215067}}^1$

素因数の和:25215080

約数の個数: 20

約数和(自身を含む): 4690002648

約数和(自身を除く): 2672797288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25215067, 50430134, 100860268, 126075335, 201720536, 252150670, 403441072, 504301340, 1008602680, 2017205360]

約数ペア:

[(1, 2017205360), (2, 1008602680), (4, 504301340), (5, 403441072), (8, 252150670), (10, 201720536), (16, 126075335), (20, 100860268), (40, 50430134), (80, 25215067)]