1780971590

素因数分解:

$2^1\times 5^1\times {\mathrm{8081}}^1\times {\mathrm{22039}}^1$

素因数の和:30127

約数の個数: 16

約数和(自身を含む): 3206291040

約数和(自身を除く): 1425319450

約数列:

[1, 2, 5, 10, 8081, 16162, 22039, 40405, 44078, 80810, 110195, 220390, 178097159, 356194318, 890485795, 1780971590]

約数ペア:

[(1, 1780971590), (2, 890485795), (5, 356194318), (10, 178097159), (8081, 220390), (16162, 110195), (22039, 80810), (40405, 44078)]