83280020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101561}}^1$

素因数の和:101611

約数の個数: 24

約数和(自身を含む): 179155368

約数和(自身を除く): 95875348

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 101561, 203122, 406244, 507805, 1015610, 2031220, 4164001, 8328002, 16656004, 20820005, 41640010, 83280020]

約数ペア:

[(1, 83280020), (2, 41640010), (4, 20820005), (5, 16656004), (10, 8328002), (20, 4164001), (41, 2031220), (82, 1015610), (164, 507805), (205, 406244), (410, 203122), (820, 101561)]