205855390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{2339}}^1$

素因数の和:3036

約数の個数: 32

約数和(自身を含む): 399803040

約数和(自身を除く): 193947650

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 677, 1354, 2339, 3385, 4678, 6770, 8801, 11695, 17602, 23390, 30407, 44005, 60814, 88010, 152035, 304070, 1583503, 3167006, 7917515, 15835030, 20585539, 41171078, 102927695, 205855390]

約数ペア:

[(1, 205855390), (2, 102927695), (5, 41171078), (10, 20585539), (13, 15835030), (26, 7917515), (65, 3167006), (130, 1583503), (677, 304070), (1354, 152035), (2339, 88010), (3385, 60814), (4678, 44005), (6770, 30407), (8801, 23390), (11695, 17602)]