2643404920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5083471}}^1$

素因数の和:5083495

約数の個数: 32

約数和(自身を含む): 6405174720

約数和(自身を除く): 3761769800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 5083471, 10166942, 20333884, 25417355, 40667768, 50834710, 66085123, 101669420, 132170246, 203338840, 264340492, 330425615, 528680984, 660851230, 1321702460, 2643404920]

約数ペア:

[(1, 2643404920), (2, 1321702460), (4, 660851230), (5, 528680984), (8, 330425615), (10, 264340492), (13, 203338840), (20, 132170246), (26, 101669420), (40, 66085123), (52, 50834710), (65, 40667768), (104, 25417355), (130, 20333884), (260, 10166942), (520, 5083471)]