28473520

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2267}}^1$

素因数の和:2437

約数の個数: 40

約数和(自身を含む): 66651984

約数和(自身を除く): 38178464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2267, 2512, 3140, 4534, 6280, 9068, 11335, 12560, 18136, 22670, 36272, 45340, 90680, 181360, 355919, 711838, 1423676, 1779595, 2847352, 3559190, 5694704, 7118380, 14236760, 28473520]

約数ペア:

[(1, 28473520), (2, 14236760), (4, 7118380), (5, 5694704), (8, 3559190), (10, 2847352), (16, 1779595), (20, 1423676), (40, 711838), (80, 355919), (157, 181360), (314, 90680), (628, 45340), (785, 36272), (1256, 22670), (1570, 18136), (2267, 12560), (2512, 11335), (3140, 9068), (4534, 6280)]