73955020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{52081}}^1$

素因数の和:52161

約数の個数: 24

約数和(自身を含む): 157495968

約数和(自身を除く): 83540948

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 52081, 104162, 208324, 260405, 520810, 1041620, 3697751, 7395502, 14791004, 18488755, 36977510, 73955020]

約数ペア:

[(1, 73955020), (2, 36977510), (4, 18488755), (5, 14791004), (10, 7395502), (20, 3697751), (71, 1041620), (142, 520810), (284, 260405), (355, 208324), (710, 104162), (1420, 52081)]