228020120

素因数分解:

$2^3\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{4457}}^1$

素因数の和:5747

約数の個数: 32

約数和(自身を含む): 513561600

約数和(自身を除く): 285541480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1279, 2558, 4457, 5116, 6395, 8914, 10232, 12790, 17828, 22285, 25580, 35656, 44570, 51160, 89140, 178280, 5700503, 11401006, 22802012, 28502515, 45604024, 57005030, 114010060, 228020120]

約数ペア:

[(1, 228020120), (2, 114010060), (4, 57005030), (5, 45604024), (8, 28502515), (10, 22802012), (20, 11401006), (40, 5700503), (1279, 178280), (2558, 89140), (4457, 51160), (5116, 44570), (6395, 35656), (8914, 25580), (10232, 22285), (12790, 17828)]