665655140

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{50969}}^1$

素因数の和:51631

約数の個数: 24

約数和(自身を含む): 1400043960

約数和(自身を除く): 734388820

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 2612, 3265, 6530, 13060, 50969, 101938, 203876, 254845, 509690, 1019380, 33282757, 66565514, 133131028, 166413785, 332827570, 665655140]

約数ペア:

[(1, 665655140), (2, 332827570), (4, 166413785), (5, 133131028), (10, 66565514), (20, 33282757), (653, 1019380), (1306, 509690), (2612, 254845), (3265, 203876), (6530, 101938), (13060, 50969)]