2020280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2971}}^1$

素因数の和:2999

約数の個数: 32

約数和(自身を含む): 4814640

約数和(自身を除く): 2794360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 2971, 5942, 11884, 14855, 23768, 29710, 50507, 59420, 101014, 118840, 202028, 252535, 404056, 505070, 1010140, 2020280]

約数ペア:

[(1, 2020280), (2, 1010140), (4, 505070), (5, 404056), (8, 252535), (10, 202028), (17, 118840), (20, 101014), (34, 59420), (40, 50507), (68, 29710), (85, 23768), (136, 14855), (170, 11884), (340, 5942), (680, 2971)]