31978580

素因数分解:

$2^2\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{1301}}^1$

素因数の和:2539

約数の個数: 24

約数和(自身を含む): 67261320

約数和(自身を除く): 35282740

約数列:

[1, 2, 4, 5, 10, 20, 1229, 1301, 2458, 2602, 4916, 5204, 6145, 6505, 12290, 13010, 24580, 26020, 1598929, 3197858, 6395716, 7994645, 15989290, 31978580]

約数ペア:

[(1, 31978580), (2, 15989290), (4, 7994645), (5, 6395716), (10, 3197858), (20, 1598929), (1229, 26020), (1301, 24580), (2458, 13010), (2602, 12290), (4916, 6505), (5204, 6145)]