51276020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{19571}}^1$

素因数の和:19711

約数の個数: 24

約数和(自身を含む): 108507168

約数和(自身を除く): 57231148

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 19571, 39142, 78284, 97855, 195710, 391420, 2563801, 5127602, 10255204, 12819005, 25638010, 51276020]

約数ペア:

[(1, 51276020), (2, 25638010), (4, 12819005), (5, 10255204), (10, 5127602), (20, 2563801), (131, 391420), (262, 195710), (524, 97855), (655, 78284), (1310, 39142), (2620, 19571)]