40808180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41641}}^1$

素因数の和:41664

約数の個数: 36

約数和(自身を含む): 99690948

約数和(自身を除く): 58882768

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 41641, 83282, 166564, 208205, 291487, 416410, 582974, 832820, 1165948, 1457435, 2040409, 2914870, 4080818, 5829740, 8161636, 10202045, 20404090, 40808180]

約数ペア:

[(1, 40808180), (2, 20404090), (4, 10202045), (5, 8161636), (7, 5829740), (10, 4080818), (14, 2914870), (20, 2040409), (28, 1457435), (35, 1165948), (49, 832820), (70, 582974), (98, 416410), (140, 291487), (196, 208205), (245, 166564), (490, 83282), (980, 41641)]