39172280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139901}}^1$

素因数の和:139919

約数の個数: 32

約数和(自身を含む): 100729440

約数和(自身を除く): 61557160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 139901, 279802, 559604, 699505, 979307, 1119208, 1399010, 1958614, 2798020, 3917228, 4896535, 5596040, 7834456, 9793070, 19586140, 39172280]

約数ペア:

[(1, 39172280), (2, 19586140), (4, 9793070), (5, 7834456), (7, 5596040), (8, 4896535), (10, 3917228), (14, 2798020), (20, 1958614), (28, 1399010), (35, 1119208), (40, 979307), (56, 699505), (70, 559604), (140, 279802), (280, 139901)]