49085480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{20117}}^1$

素因数の和:20189

約数の個数: 32

約数和(自身を含む): 112258440

約数和(自身を除く): 63172960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 20117, 40234, 80468, 100585, 160936, 201170, 402340, 804680, 1227137, 2454274, 4908548, 6135685, 9817096, 12271370, 24542740, 49085480]

約数ペア:

[(1, 49085480), (2, 24542740), (4, 12271370), (5, 9817096), (8, 6135685), (10, 4908548), (20, 2454274), (40, 1227137), (61, 804680), (122, 402340), (244, 201170), (305, 160936), (488, 100585), (610, 80468), (1220, 40234), (2440, 20117)]