18290800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4157}}^1$

素因数の和:4186

約数の個数: 60

約数和(自身を含む): 47950056

約数和(自身を除く): 29659256

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4157, 4400, 8314, 16628, 20785, 33256, 41570, 45727, 66512, 83140, 91454, 103925, 166280, 182908, 207850, 228635, 332560, 365816, 415700, 457270, 731632, 831400, 914540, 1143175, 1662800, 1829080, 2286350, 3658160, 4572700, 9145400, 18290800]

約数ペア:

[(1, 18290800), (2, 9145400), (4, 4572700), (5, 3658160), (8, 2286350), (10, 1829080), (11, 1662800), (16, 1143175), (20, 914540), (22, 831400), (25, 731632), (40, 457270), (44, 415700), (50, 365816), (55, 332560), (80, 228635), (88, 207850), (100, 182908), (110, 166280), (176, 103925), (200, 91454), (220, 83140), (275, 66512), (400, 45727), (440, 41570), (550, 33256), (880, 20785), (1100, 16628), (2200, 8314), (4157, 4400)]