8123240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6551}}^1$

素因数の和:6593

約数の個数: 32

約数和(自身を含む): 18869760

約数和(自身を除く): 10746520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 6551, 13102, 26204, 32755, 52408, 65510, 131020, 203081, 262040, 406162, 812324, 1015405, 1624648, 2030810, 4061620, 8123240]

約数ペア:

[(1, 8123240), (2, 4061620), (4, 2030810), (5, 1624648), (8, 1015405), (10, 812324), (20, 406162), (31, 262040), (40, 203081), (62, 131020), (124, 65510), (155, 52408), (248, 32755), (310, 26204), (620, 13102), (1240, 6551)]