139534840

素因数分解:

$2^3\times 5^1\times {\mathrm{3488371}}^1$

素因数の和:3488382

約数の個数: 16

約数和(自身を含む): 313953480

約数和(自身を除く): 174418640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3488371, 6976742, 13953484, 17441855, 27906968, 34883710, 69767420, 139534840]

約数ペア:

[(1, 139534840), (2, 69767420), (4, 34883710), (5, 27906968), (8, 17441855), (10, 13953484), (20, 6976742), (40, 3488371)]