39897680

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1429}}^1$

素因数の和:1791

約数の個数: 40

約数和(自身を含む): 93093000

約数和(自身を除く): 53195320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1396, 1429, 1745, 2792, 2858, 3490, 5584, 5716, 6980, 7145, 11432, 13960, 14290, 22864, 27920, 28580, 57160, 114320, 498721, 997442, 1994884, 2493605, 3989768, 4987210, 7979536, 9974420, 19948840, 39897680]

約数ペア:

[(1, 39897680), (2, 19948840), (4, 9974420), (5, 7979536), (8, 4987210), (10, 3989768), (16, 2493605), (20, 1994884), (40, 997442), (80, 498721), (349, 114320), (698, 57160), (1396, 28580), (1429, 27920), (1745, 22864), (2792, 14290), (2858, 13960), (3490, 11432), (5584, 7145), (5716, 6980)]