80860124

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 154492800

約数和(自身を除く): 73632676

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 109, 172, 218, 227, 436, 454, 817, 908, 1634, 2071, 3268, 4142, 4313, 4687, 8284, 8626, 9374, 9761, 17252, 18748, 19522, 24743, 39044, 49486, 89053, 98972, 178106, 185459, 356212, 370918, 470117, 741836, 940234, 1063949, 1880468, 2127898, 4255796, 20215031, 40430062, 80860124]

約数ペア:

[(1, 80860124), (2, 40430062), (4, 20215031), (19, 4255796), (38, 2127898), (43, 1880468), (76, 1063949), (86, 940234), (109, 741836), (172, 470117), (218, 370918), (227, 356212), (436, 185459), (454, 178106), (817, 98972), (908, 89053), (1634, 49486), (2071, 39044), (3268, 24743), (4142, 19522), (4313, 18748), (4687, 17252), (8284, 9761), (8626, 9374)]