222568520

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{8521}}^1$

素因数の和:9185

約数の個数: 32

約数和(自身を含む): 501604920

約数和(自身を除く): 279036400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2612, 3265, 5224, 6530, 8521, 13060, 17042, 26120, 34084, 42605, 68168, 85210, 170420, 340840, 5564213, 11128426, 22256852, 27821065, 44513704, 55642130, 111284260, 222568520]

約数ペア:

[(1, 222568520), (2, 111284260), (4, 55642130), (5, 44513704), (8, 27821065), (10, 22256852), (20, 11128426), (40, 5564213), (653, 340840), (1306, 170420), (2612, 85210), (3265, 68168), (5224, 42605), (6530, 34084), (8521, 26120), (13060, 17042)]