2912263240

素因数分解:

$2^3\times 5^1\times {\mathrm{72806581}}^1$

素因数の和:72806592

約数の個数: 16

約数和(自身を含む): 6552592380

約数和(自身を除く): 3640329140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 72806581, 145613162, 291226324, 364032905, 582452648, 728065810, 1456131620, 2912263240]

約数ペア:

[(1, 2912263240), (2, 1456131620), (4, 728065810), (5, 582452648), (8, 364032905), (10, 291226324), (20, 145613162), (40, 72806581)]