123949240

素因数分解:

$2^3\times 5^1\times {\mathrm{3098731}}^1$

素因数の和:3098742

約数の個数: 16

約数和(自身を含む): 278885880

約数和(自身を除く): 154936640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3098731, 6197462, 12394924, 15493655, 24789848, 30987310, 61974620, 123949240]

約数ペア:

[(1, 123949240), (2, 61974620), (4, 30987310), (5, 24789848), (8, 15493655), (10, 12394924), (20, 6197462), (40, 3098731)]