316185640

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{11149}}^1$

素因数の和:11869

約数の個数: 32

約数和(自身を含む): 712485000

約数和(自身を除く): 396299360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 1418, 2836, 3545, 5672, 7090, 11149, 14180, 22298, 28360, 44596, 55745, 89192, 111490, 222980, 445960, 7904641, 15809282, 31618564, 39523205, 63237128, 79046410, 158092820, 316185640]

約数ペア:

[(1, 316185640), (2, 158092820), (4, 79046410), (5, 63237128), (8, 39523205), (10, 31618564), (20, 15809282), (40, 7904641), (709, 445960), (1418, 222980), (2836, 111490), (3545, 89192), (5672, 55745), (7090, 44596), (11149, 28360), (14180, 22298)]