86954840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{310553}}^1$

素因数の和:310571

約数の個数: 32

約数和(自身を含む): 223598880

約数和(自身を除く): 136644040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 310553, 621106, 1242212, 1552765, 2173871, 2484424, 3105530, 4347742, 6211060, 8695484, 10869355, 12422120, 17390968, 21738710, 43477420, 86954840]

約数ペア:

[(1, 86954840), (2, 43477420), (4, 21738710), (5, 17390968), (7, 12422120), (8, 10869355), (10, 8695484), (14, 6211060), (20, 4347742), (28, 3105530), (35, 2484424), (40, 2173871), (56, 1552765), (70, 1242212), (140, 621106), (280, 310553)]