10990640

素因数分解:

$2^4\times 5^1\times {\mathrm{137383}}^1$

素因数の和:137396

約数の個数: 20

約数和(自身を含む): 25553424

約数和(自身を除く): 14562784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137383, 274766, 549532, 686915, 1099064, 1373830, 2198128, 2747660, 5495320, 10990640]

約数ペア:

[(1, 10990640), (2, 5495320), (4, 2747660), (5, 2198128), (8, 1373830), (10, 1099064), (16, 686915), (20, 549532), (40, 274766), (80, 137383)]