18061600

素因数分解:

$2^5\times 5^2\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:338

約数の個数: 72

約数和(自身を含む): 44715888

約数和(自身を除く): 26654288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 107, 160, 200, 211, 214, 400, 422, 428, 535, 800, 844, 856, 1055, 1070, 1688, 1712, 2110, 2140, 2675, 3376, 3424, 4220, 4280, 5275, 5350, 6752, 8440, 8560, 10550, 10700, 16880, 17120, 21100, 21400, 22577, 33760, 42200, 42800, 45154, 84400, 85600, 90308, 112885, 168800, 180616, 225770, 361232, 451540, 564425, 722464, 903080, 1128850, 1806160, 2257700, 3612320, 4515400, 9030800, 18061600]

約数ペア:

[(1, 18061600), (2, 9030800), (4, 4515400), (5, 3612320), (8, 2257700), (10, 1806160), (16, 1128850), (20, 903080), (25, 722464), (32, 564425), (40, 451540), (50, 361232), (80, 225770), (100, 180616), (107, 168800), (160, 112885), (200, 90308), (211, 85600), (214, 84400), (400, 45154), (422, 42800), (428, 42200), (535, 33760), (800, 22577), (844, 21400), (856, 21100), (1055, 17120), (1070, 16880), (1688, 10700), (1712, 10550), (2110, 8560), (2140, 8440), (2675, 6752), (3376, 5350), (3424, 5275), (4220, 4280)]