202115080

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{19661}}^1$

素因数の和:19929

約数の個数: 32

約数和(自身を含む): 456551640

約数和(自身を除く): 254436560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 19661, 39322, 78644, 98305, 157288, 196610, 393220, 786440, 5052877, 10105754, 20211508, 25264385, 40423016, 50528770, 101057540, 202115080]

約数ペア:

[(1, 202115080), (2, 101057540), (4, 50528770), (5, 40423016), (8, 25264385), (10, 20211508), (20, 10105754), (40, 5052877), (257, 786440), (514, 393220), (1028, 196610), (1285, 157288), (2056, 98305), (2570, 78644), (5140, 39322), (10280, 19661)]