88894840520

素因数分解:

$2^3\times 5^1\times {\mathrm{2137}}^1\times {\mathrm{1039949}}^1$

素因数の和:1042097

約数の個数: 32

約数和(自身を含む): 200107179000

約数和(自身を除く): 111212338480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2137, 4274, 8548, 10685, 17096, 21370, 42740, 85480, 1039949, 2079898, 4159796, 5199745, 8319592, 10399490, 20798980, 41597960, 2222371013, 4444742026, 8889484052, 11111855065, 17778968104, 22223710130, 44447420260, 88894840520]

約数ペア:

[(1, 88894840520), (2, 44447420260), (4, 22223710130), (5, 17778968104), (8, 11111855065), (10, 8889484052), (20, 4444742026), (40, 2222371013), (2137, 41597960), (4274, 20798980), (8548, 10399490), (10685, 8319592), (17096, 5199745), (21370, 4159796), (42740, 2079898), (85480, 1039949)]