40240580

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15359}}^1$

素因数の和:15499

約数の個数: 24

約数和(自身を含む): 85155840

約数和(自身を除く): 44915260

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 15359, 30718, 61436, 76795, 153590, 307180, 2012029, 4024058, 8048116, 10060145, 20120290, 40240580]

約数ペア:

[(1, 40240580), (2, 20120290), (4, 10060145), (5, 8048116), (10, 4024058), (20, 2012029), (131, 307180), (262, 153590), (524, 76795), (655, 61436), (1310, 30718), (2620, 15359)]