201209036720

素因数分解:

$2^4\times 5^1\times {\mathrm{2515112959}}^1$

素因数の和:2515112972

約数の個数: 20

約数和(自身を含む): 467811010560

約数和(自身を除く): 266601973840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2515112959, 5030225918, 10060451836, 12575564795, 20120903672, 25151129590, 40241807344, 50302259180, 100604518360, 201209036720]

約数ペア:

[(1, 201209036720), (2, 100604518360), (4, 50302259180), (5, 40241807344), (8, 25151129590), (10, 20120903672), (16, 12575564795), (20, 10060451836), (40, 5030225918), (80, 2515112959)]