978171080

素因数分解:

$2^3\times 5^1\times {\mathrm{24454277}}^1$

素因数の和:24454288

約数の個数: 16

約数和(自身を含む): 2200885020

約数和(自身を除く): 1222713940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 24454277, 48908554, 97817108, 122271385, 195634216, 244542770, 489085540, 978171080]

約数ペア:

[(1, 978171080), (2, 489085540), (4, 244542770), (5, 195634216), (8, 122271385), (10, 97817108), (20, 48908554), (40, 24454277)]