320844280

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101533}}^1$

素因数の和:101623

約数の個数: 32

約数和(自身を含む): 731044800

約数和(自身を除く): 410200520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 101533, 203066, 406132, 507665, 812264, 1015330, 2030660, 4061320, 8021107, 16042214, 32084428, 40105535, 64168856, 80211070, 160422140, 320844280]

約数ペア:

[(1, 320844280), (2, 160422140), (4, 80211070), (5, 64168856), (8, 40105535), (10, 32084428), (20, 16042214), (40, 8021107), (79, 4061320), (158, 2030660), (316, 1015330), (395, 812264), (632, 507665), (790, 406132), (1580, 203066), (3160, 101533)]