180165560

素因数分解:

$2^3\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{2311}}^1$

素因数の和:4271

約数の個数: 32

約数和(自身を含む): 405756000

約数和(自身を除く): 225590440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1949, 2311, 3898, 4622, 7796, 9244, 9745, 11555, 15592, 18488, 19490, 23110, 38980, 46220, 77960, 92440, 4504139, 9008278, 18016556, 22520695, 36033112, 45041390, 90082780, 180165560]

約数ペア:

[(1, 180165560), (2, 90082780), (4, 45041390), (5, 36033112), (8, 22520695), (10, 18016556), (20, 9008278), (40, 4504139), (1949, 92440), (2311, 77960), (3898, 46220), (4622, 38980), (7796, 23110), (9244, 19490), (9745, 18488), (11555, 15592)]