201407720

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{6133}}^1$

素因数の和:6965

約数の個数: 32

約数和(自身を含む): 453793320

約数和(自身を除く): 252385600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 3284, 4105, 6133, 6568, 8210, 12266, 16420, 24532, 30665, 32840, 49064, 61330, 122660, 245320, 5035193, 10070386, 20140772, 25175965, 40281544, 50351930, 100703860, 201407720]

約数ペア:

[(1, 201407720), (2, 100703860), (4, 50351930), (5, 40281544), (8, 25175965), (10, 20140772), (20, 10070386), (40, 5035193), (821, 245320), (1642, 122660), (3284, 61330), (4105, 49064), (6133, 32840), (6568, 30665), (8210, 24532), (12266, 16420)]