2018895880

素因数分解:

$2^3\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{42737}}^1$

素因数の和:43929

約数の個数: 32

約数和(自身を含む): 4546468440

約数和(自身を除く): 2527572560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1181, 2362, 4724, 5905, 9448, 11810, 23620, 42737, 47240, 85474, 170948, 213685, 341896, 427370, 854740, 1709480, 50472397, 100944794, 201889588, 252361985, 403779176, 504723970, 1009447940, 2018895880]

約数ペア:

[(1, 2018895880), (2, 1009447940), (4, 504723970), (5, 403779176), (8, 252361985), (10, 201889588), (20, 100944794), (40, 50472397), (1181, 1709480), (2362, 854740), (4724, 427370), (5905, 341896), (9448, 213685), (11810, 170948), (23620, 85474), (42737, 47240)]