87992840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{169217}}^1$

素因数の和:169241

約数の個数: 32

約数和(自身を含む): 213214680

約数和(自身を除く): 125221840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 169217, 338434, 676868, 846085, 1353736, 1692170, 2199821, 3384340, 4399642, 6768680, 8799284, 10999105, 17598568, 21998210, 43996420, 87992840]

約数ペア:

[(1, 87992840), (2, 43996420), (4, 21998210), (5, 17598568), (8, 10999105), (10, 8799284), (13, 6768680), (20, 4399642), (26, 3384340), (40, 2199821), (52, 1692170), (65, 1353736), (104, 846085), (130, 676868), (260, 338434), (520, 169217)]