20125670

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 37449216

約数和(自身を除く): 17323546

約数列:

[1, 2, 5, 10, 41, 82, 191, 205, 257, 382, 410, 514, 955, 1285, 1910, 2570, 7831, 10537, 15662, 21074, 39155, 49087, 52685, 78310, 98174, 105370, 245435, 490870, 2012567, 4025134, 10062835, 20125670]

約数ペア:

[(1, 20125670), (2, 10062835), (5, 4025134), (10, 2012567), (41, 490870), (82, 245435), (191, 105370), (205, 98174), (257, 78310), (382, 52685), (410, 49087), (514, 39155), (955, 21074), (1285, 15662), (1910, 10537), (2570, 7831)]