8517860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^2$

素因数の和:384

約数の個数: 36

約数和(自身を含む): 19370484

約数和(自身を除く): 10852624

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 181, 260, 362, 724, 905, 1810, 2353, 3620, 4706, 9412, 11765, 23530, 32761, 47060, 65522, 131044, 163805, 327610, 425893, 655220, 851786, 1703572, 2129465, 4258930, 8517860]

約数ペア:

[(1, 8517860), (2, 4258930), (4, 2129465), (5, 1703572), (10, 851786), (13, 655220), (20, 425893), (26, 327610), (52, 163805), (65, 131044), (130, 65522), (181, 47060), (260, 32761), (362, 23530), (724, 11765), (905, 9412), (1810, 4706), (2353, 3620)]