639522080

素因数分解:

$2^5\times 5^1\times {\mathrm{653}}^1\times {\mathrm{6121}}^1$

素因数の和:6789

約数の個数: 48

約数和(自身を含む): 1513431864

約数和(自身を除く): 873909784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 653, 1306, 2612, 3265, 5224, 6121, 6530, 10448, 12242, 13060, 20896, 24484, 26120, 30605, 48968, 52240, 61210, 97936, 104480, 122420, 195872, 244840, 489680, 979360, 3997013, 7994026, 15988052, 19985065, 31976104, 39970130, 63952208, 79940260, 127904416, 159880520, 319761040, 639522080]

約数ペア:

[(1, 639522080), (2, 319761040), (4, 159880520), (5, 127904416), (8, 79940260), (10, 63952208), (16, 39970130), (20, 31976104), (32, 19985065), (40, 15988052), (80, 7994026), (160, 3997013), (653, 979360), (1306, 489680), (2612, 244840), (3265, 195872), (5224, 122420), (6121, 104480), (6530, 97936), (10448, 61210), (12242, 52240), (13060, 48968), (20896, 30605), (24484, 26120)]