9836840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18917}}^1$

素因数の和:18941

約数の個数: 32

約数和(自身を含む): 23836680

約数和(自身を除く): 13999840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 18917, 37834, 75668, 94585, 151336, 189170, 245921, 378340, 491842, 756680, 983684, 1229605, 1967368, 2459210, 4918420, 9836840]

約数ペア:

[(1, 9836840), (2, 4918420), (4, 2459210), (5, 1967368), (8, 1229605), (10, 983684), (13, 756680), (20, 491842), (26, 378340), (40, 245921), (52, 189170), (65, 151336), (104, 94585), (130, 75668), (260, 37834), (520, 18917)]