15565240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9491}}^1$

素因数の和:9543

約数の個数: 32

約数和(自身を含む): 35879760

約数和(自身を除く): 20314520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 9491, 18982, 37964, 47455, 75928, 94910, 189820, 379640, 389131, 778262, 1556524, 1945655, 3113048, 3891310, 7782620, 15565240]

約数ペア:

[(1, 15565240), (2, 7782620), (4, 3891310), (5, 3113048), (8, 1945655), (10, 1556524), (20, 778262), (40, 389131), (41, 379640), (82, 189820), (164, 94910), (205, 75928), (328, 47455), (410, 37964), (820, 18982), (1640, 9491)]