80214103880

素因数分解:

$2^3\times 5^1\times {\mathrm{66431}}^1\times {\mathrm{30187}}^1$

素因数の和:96629

約数の個数: 32

約数和(自身を含む): 180490429440

約数和(自身を除く): 100276325560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 30187, 60374, 66431, 120748, 132862, 150935, 241496, 265724, 301870, 332155, 531448, 603740, 664310, 1207480, 1328620, 2657240, 2005352597, 4010705194, 8021410388, 10026762985, 16042820776, 20053525970, 40107051940, 80214103880]

約数ペア:

[(1, 80214103880), (2, 40107051940), (4, 20053525970), (5, 16042820776), (8, 10026762985), (10, 8021410388), (20, 4010705194), (40, 2005352597), (30187, 2657240), (60374, 1328620), (66431, 1207480), (120748, 664310), (132862, 603740), (150935, 531448), (241496, 332155), (265724, 301870)]