15943720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30661}}^1$

素因数の和:30685

約数の個数: 32

約数和(自身を含む): 38634120

約数和(自身を除く): 22690400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 30661, 61322, 122644, 153305, 245288, 306610, 398593, 613220, 797186, 1226440, 1594372, 1992965, 3188744, 3985930, 7971860, 15943720]

約数ペア:

[(1, 15943720), (2, 7971860), (4, 3985930), (5, 3188744), (8, 1992965), (10, 1594372), (13, 1226440), (20, 797186), (26, 613220), (40, 398593), (52, 306610), (65, 245288), (104, 153305), (130, 122644), (260, 61322), (520, 30661)]