201656780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{775603}}^1$

素因数の和:775625

約数の個数: 24

約数和(自身を含む): 456055152

約数和(自身を除く): 254398372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 775603, 1551206, 3102412, 3878015, 7756030, 10082839, 15512060, 20165678, 40331356, 50414195, 100828390, 201656780]

約数ペア:

[(1, 201656780), (2, 100828390), (4, 50414195), (5, 40331356), (10, 20165678), (13, 15512060), (20, 10082839), (26, 7756030), (52, 3878015), (65, 3102412), (130, 1551206), (260, 775603)]