102539120

素因数分解:

$2^4\times 5^1\times {\mathrm{1281739}}^1$

素因数の和:1281752

約数の個数: 20

約数和(自身を含む): 238403640

約数和(自身を除く): 135864520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1281739, 2563478, 5126956, 6408695, 10253912, 12817390, 20507824, 25634780, 51269560, 102539120]

約数ペア:

[(1, 102539120), (2, 51269560), (4, 25634780), (5, 20507824), (8, 12817390), (10, 10253912), (16, 6408695), (20, 5126956), (40, 2563478), (80, 1281739)]