25335700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19489}}^1$

素因数の和:19516

約数の個数: 36

約数和(自身を含む): 59210620

約数和(自身を除く): 33874920

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 19489, 38978, 77956, 97445, 194890, 253357, 389780, 487225, 506714, 974450, 1013428, 1266785, 1948900, 2533570, 5067140, 6333925, 12667850, 25335700]

約数ペア:

[(1, 25335700), (2, 12667850), (4, 6333925), (5, 5067140), (10, 2533570), (13, 1948900), (20, 1266785), (25, 1013428), (26, 974450), (50, 506714), (52, 487225), (65, 389780), (100, 253357), (130, 194890), (260, 97445), (325, 77956), (650, 38978), (1300, 19489)]