12719240

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{839}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 28728000

約数和(自身を除く): 16008760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 839, 1516, 1678, 1895, 3032, 3356, 3790, 4195, 6712, 7580, 8390, 15160, 16780, 33560, 317981, 635962, 1271924, 1589905, 2543848, 3179810, 6359620, 12719240]

約数ペア:

[(1, 12719240), (2, 6359620), (4, 3179810), (5, 2543848), (8, 1589905), (10, 1271924), (20, 635962), (40, 317981), (379, 33560), (758, 16780), (839, 15160), (1516, 8390), (1678, 7580), (1895, 6712), (3032, 4195), (3356, 3790)]