20150137520

素因数分解:

$2^4\times 5^1\times {\mathrm{251876719}}^1$

素因数の和:251876732

約数の個数: 20

約数和(自身を含む): 46849069920

約数和(自身を除く): 26698932400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251876719, 503753438, 1007506876, 1259383595, 2015013752, 2518767190, 4030027504, 5037534380, 10075068760, 20150137520]

約数ペア:

[(1, 20150137520), (2, 10075068760), (4, 5037534380), (5, 4030027504), (8, 2518767190), (10, 2015013752), (16, 1259383595), (20, 1007506876), (40, 503753438), (80, 251876719)]