71086420

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{10243}}^1$

素因数の和:10599

約数の個数: 24

約数和(自身を含む): 149726304

約数和(自身を除く): 78639884

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 3470, 6940, 10243, 20486, 40972, 51215, 102430, 204860, 3554321, 7108642, 14217284, 17771605, 35543210, 71086420]

約数ペア:

[(1, 71086420), (2, 35543210), (4, 17771605), (5, 14217284), (10, 7108642), (20, 3554321), (347, 204860), (694, 102430), (1388, 51215), (1735, 40972), (3470, 20486), (6940, 10243)]