139965982460

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{20168009}}^1$

素因数の和:20168365

約数の個数: 24

約数和(自身を含む): 294775634160

約数和(自身を除く): 154809651700

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 3470, 6940, 20168009, 40336018, 80672036, 100840045, 201680090, 403360180, 6998299123, 13996598246, 27993196492, 34991495615, 69982991230, 139965982460]

約数ペア:

[(1, 139965982460), (2, 69982991230), (4, 34991495615), (5, 27993196492), (10, 13996598246), (20, 6998299123), (347, 403360180), (694, 201680090), (1388, 100840045), (1735, 80672036), (3470, 40336018), (6940, 20168009)]