7880680

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{727}}^1$

素因数の和:1009

約数の個数: 32

約数和(自身を含む): 17821440

約数和(自身を除く): 9940760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 727, 1084, 1355, 1454, 2168, 2710, 2908, 3635, 5420, 5816, 7270, 10840, 14540, 29080, 197017, 394034, 788068, 985085, 1576136, 1970170, 3940340, 7880680]

約数ペア:

[(1, 7880680), (2, 3940340), (4, 1970170), (5, 1576136), (8, 985085), (10, 788068), (20, 394034), (40, 197017), (271, 29080), (542, 14540), (727, 10840), (1084, 7270), (1355, 5816), (1454, 5420), (2168, 3635), (2710, 2908)]