156678980

素因数分解:

$2^2\times 5^1\times {\mathrm{1451}}^1\times {\mathrm{5399}}^1$

素因数の和:6859

約数の個数: 24

約数和(自身を含む): 329313600

約数和(自身を除く): 172634620

約数列:

[1, 2, 4, 5, 10, 20, 1451, 2902, 5399, 5804, 7255, 10798, 14510, 21596, 26995, 29020, 53990, 107980, 7833949, 15667898, 31335796, 39169745, 78339490, 156678980]

約数ペア:

[(1, 156678980), (2, 78339490), (4, 39169745), (5, 31335796), (10, 15667898), (20, 7833949), (1451, 107980), (2902, 53990), (5399, 29020), (5804, 26995), (7255, 21596), (10798, 14510)]