15965560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30703}}^1$

素因数の和:30727

約数の個数: 32

約数和(自身を含む): 38687040

約数和(自身を除く): 22721480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 30703, 61406, 122812, 153515, 245624, 307030, 399139, 614060, 798278, 1228120, 1596556, 1995695, 3193112, 3991390, 7982780, 15965560]

約数ペア:

[(1, 15965560), (2, 7982780), (4, 3991390), (5, 3193112), (8, 1995695), (10, 1596556), (13, 1228120), (20, 798278), (26, 614060), (40, 399139), (52, 307030), (65, 245624), (104, 153515), (130, 122812), (260, 61406), (520, 30703)]