2146840

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 4872960

約数和(自身を除く): 2726120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 281, 382, 562, 764, 955, 1124, 1405, 1528, 1910, 2248, 2810, 3820, 5620, 7640, 11240, 53671, 107342, 214684, 268355, 429368, 536710, 1073420, 2146840]

約数ペア:

[(1, 2146840), (2, 1073420), (4, 536710), (5, 429368), (8, 268355), (10, 214684), (20, 107342), (40, 53671), (191, 11240), (281, 7640), (382, 5620), (562, 3820), (764, 2810), (955, 2248), (1124, 1910), (1405, 1528)]