12391010

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{39971}}^1$

素因数の和:40009

約数の個数: 16

約数和(自身を含む): 23023872

約数和(自身を除く): 10632862

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 39971, 79942, 199855, 399710, 1239101, 2478202, 6195505, 12391010]

約数ペア:

[(1, 12391010), (2, 6195505), (5, 2478202), (10, 1239101), (31, 399710), (62, 199855), (155, 79942), (310, 39971)]