8160440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6581}}^1$

素因数の和:6623

約数の個数: 32

約数和(自身を含む): 18956160

約数和(自身を除く): 10795720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 6581, 13162, 26324, 32905, 52648, 65810, 131620, 204011, 263240, 408022, 816044, 1020055, 1632088, 2040110, 4080220, 8160440]

約数ペア:

[(1, 8160440), (2, 4080220), (4, 2040110), (5, 1632088), (8, 1020055), (10, 816044), (20, 408022), (31, 263240), (40, 204011), (62, 131620), (124, 65810), (155, 52648), (248, 32905), (310, 26324), (620, 13162), (1240, 6581)]