8121200

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:354

約数の個数: 60

約数和(自身を含む): 19835040

約数和(自身を除く): 11713840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 257, 316, 395, 400, 514, 632, 790, 1028, 1264, 1285, 1580, 1975, 2056, 2570, 3160, 3950, 4112, 5140, 6320, 6425, 7900, 10280, 12850, 15800, 20303, 20560, 25700, 31600, 40606, 51400, 81212, 101515, 102800, 162424, 203030, 324848, 406060, 507575, 812120, 1015150, 1624240, 2030300, 4060600, 8121200]

約数ペア:

[(1, 8121200), (2, 4060600), (4, 2030300), (5, 1624240), (8, 1015150), (10, 812120), (16, 507575), (20, 406060), (25, 324848), (40, 203030), (50, 162424), (79, 102800), (80, 101515), (100, 81212), (158, 51400), (200, 40606), (257, 31600), (316, 25700), (395, 20560), (400, 20303), (514, 15800), (632, 12850), (790, 10280), (1028, 7900), (1264, 6425), (1285, 6320), (1580, 5140), (1975, 4112), (2056, 3950), (2570, 3160)]