8217560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15803}}^1$

素因数の和:15827

約数の個数: 32

約数和(自身を含む): 19913040

約数和(自身を除く): 11695480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15803, 31606, 63212, 79015, 126424, 158030, 205439, 316060, 410878, 632120, 821756, 1027195, 1643512, 2054390, 4108780, 8217560]

約数ペア:

[(1, 8217560), (2, 4108780), (4, 2054390), (5, 1643512), (8, 1027195), (10, 821756), (13, 632120), (20, 410878), (26, 316060), (40, 205439), (52, 158030), (65, 126424), (104, 79015), (130, 63212), (260, 31606), (520, 15803)]