80420768

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{379}}^1$

素因数の和:757

約数の個数: 48

約数和(自身を含む): 167580000

約数和(自身を除く): 87159232

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 349, 379, 608, 698, 758, 1396, 1516, 2792, 3032, 5584, 6064, 6631, 7201, 11168, 12128, 13262, 14402, 26524, 28804, 53048, 57608, 106096, 115216, 132271, 212192, 230432, 264542, 529084, 1058168, 2116336, 2513149, 4232672, 5026298, 10052596, 20105192, 40210384, 80420768]

約数ペア:

[(1, 80420768), (2, 40210384), (4, 20105192), (8, 10052596), (16, 5026298), (19, 4232672), (32, 2513149), (38, 2116336), (76, 1058168), (152, 529084), (304, 264542), (349, 230432), (379, 212192), (608, 132271), (698, 115216), (758, 106096), (1396, 57608), (1516, 53048), (2792, 28804), (3032, 26524), (5584, 14402), (6064, 13262), (6631, 12128), (7201, 11168)]