1730882840

素因数分解:

$2^3\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{39019}}^1$

素因数の和:40139

約数の個数: 32

約数和(自身を含む): 3898098000

約数和(自身を除く): 2167215160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1109, 2218, 4436, 5545, 8872, 11090, 22180, 39019, 44360, 78038, 156076, 195095, 312152, 390190, 780380, 1560760, 43272071, 86544142, 173088284, 216360355, 346176568, 432720710, 865441420, 1730882840]

約数ペア:

[(1, 1730882840), (2, 865441420), (4, 432720710), (5, 346176568), (8, 216360355), (10, 173088284), (20, 86544142), (40, 43272071), (1109, 1560760), (2218, 780380), (4436, 390190), (5545, 312152), (8872, 195095), (11090, 156076), (22180, 78038), (39019, 44360)]