8528840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2699}}^1$

素因数の和:2789

約数の個数: 32

約数和(自身を含む): 19440000

約数和(自身を除く): 10911160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 2699, 3160, 5398, 10796, 13495, 21592, 26990, 53980, 107960, 213221, 426442, 852884, 1066105, 1705768, 2132210, 4264420, 8528840]

約数ペア:

[(1, 8528840), (2, 4264420), (4, 2132210), (5, 1705768), (8, 1066105), (10, 852884), (20, 426442), (40, 213221), (79, 107960), (158, 53980), (316, 26990), (395, 21592), (632, 13495), (790, 10796), (1580, 5398), (2699, 3160)]