12262840

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1091}}^1$

素因数の和:1383

約数の個数: 32

約数和(自身を含む): 27714960

約数和(自身を除く): 15452120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1091, 1124, 1405, 2182, 2248, 2810, 4364, 5455, 5620, 8728, 10910, 11240, 21820, 43640, 306571, 613142, 1226284, 1532855, 2452568, 3065710, 6131420, 12262840]

約数ペア:

[(1, 12262840), (2, 6131420), (4, 3065710), (5, 2452568), (8, 1532855), (10, 1226284), (20, 613142), (40, 306571), (281, 43640), (562, 21820), (1091, 11240), (1124, 10910), (1405, 8728), (2182, 5620), (2248, 5455), (2810, 4364)]