8022440

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1531}}^1$

素因数の和:1673

約数の個数: 32

約数和(自身を含む): 18200160

約数和(自身を除く): 10177720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 1531, 2620, 3062, 5240, 6124, 7655, 12248, 15310, 30620, 61240, 200561, 401122, 802244, 1002805, 1604488, 2005610, 4011220, 8022440]

約数ペア:

[(1, 8022440), (2, 4011220), (4, 2005610), (5, 1604488), (8, 1002805), (10, 802244), (20, 401122), (40, 200561), (131, 61240), (262, 30620), (524, 15310), (655, 12248), (1048, 7655), (1310, 6124), (1531, 5240), (2620, 3062)]