85285540

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^2\times {\mathrm{173}}^1$

素因数の和:496

約数の個数: 36

約数和(自身を含む): 181289556

約数和(自身を除く): 96004016

約数列:

[1, 2, 4, 5, 10, 20, 157, 173, 314, 346, 628, 692, 785, 865, 1570, 1730, 3140, 3460, 24649, 27161, 49298, 54322, 98596, 108644, 123245, 135805, 246490, 271610, 492980, 543220, 4264277, 8528554, 17057108, 21321385, 42642770, 85285540]

約数ペア:

[(1, 85285540), (2, 42642770), (4, 21321385), (5, 17057108), (10, 8528554), (20, 4264277), (157, 543220), (173, 492980), (314, 271610), (346, 246490), (628, 135805), (692, 123245), (785, 108644), (865, 98596), (1570, 54322), (1730, 49298), (3140, 27161), (3460, 24649)]