8687120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8353}}^1$

素因数の和:8379

約数の個数: 40

約数和(自身を含む): 21753816

約数和(自身を除く): 13066696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 8353, 16706, 33412, 41765, 66824, 83530, 108589, 133648, 167060, 217178, 334120, 434356, 542945, 668240, 868712, 1085890, 1737424, 2171780, 4343560, 8687120]

約数ペア:

[(1, 8687120), (2, 4343560), (4, 2171780), (5, 1737424), (8, 1085890), (10, 868712), (13, 668240), (16, 542945), (20, 434356), (26, 334120), (40, 217178), (52, 167060), (65, 133648), (80, 108589), (104, 83530), (130, 66824), (208, 41765), (260, 33412), (520, 16706), (1040, 8353)]