85225540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{69857}}^1$

素因数の和:69927

約数の個数: 24

約数和(自身を含む): 181910232

約数和(自身を除く): 96684692

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 69857, 139714, 279428, 349285, 698570, 1397140, 4261277, 8522554, 17045108, 21306385, 42612770, 85225540]

約数ペア:

[(1, 85225540), (2, 42612770), (4, 21306385), (5, 17045108), (10, 8522554), (20, 4261277), (61, 1397140), (122, 698570), (244, 349285), (305, 279428), (610, 139714), (1220, 69857)]