8223280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7907}}^1$

素因数の和:7933

約数の個数: 40

約数和(自身を含む): 20592432

約数和(自身を除く): 12369152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7907, 15814, 31628, 39535, 63256, 79070, 102791, 126512, 158140, 205582, 316280, 411164, 513955, 632560, 822328, 1027910, 1644656, 2055820, 4111640, 8223280]

約数ペア:

[(1, 8223280), (2, 4111640), (4, 2055820), (5, 1644656), (8, 1027910), (10, 822328), (13, 632560), (16, 513955), (20, 411164), (26, 316280), (40, 205582), (52, 158140), (65, 126512), (80, 102791), (104, 79070), (130, 63256), (208, 39535), (260, 31628), (520, 15814), (1040, 7907)]