72059140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{87877}}^1$

素因数の和:87927

約数の個数: 24

約数和(自身を含む): 155016792

約数和(自身を除く): 82957652

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 87877, 175754, 351508, 439385, 878770, 1757540, 3602957, 7205914, 14411828, 18014785, 36029570, 72059140]

約数ペア:

[(1, 72059140), (2, 36029570), (4, 18014785), (5, 14411828), (10, 7205914), (20, 3602957), (41, 1757540), (82, 878770), (164, 439385), (205, 351508), (410, 175754), (820, 87877)]