80302480

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9209}}^1$

素因数の和:9331

約数の個数: 40

約数和(自身を含む): 188436600

約数和(自身を除く): 108134120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 9209, 18418, 36836, 46045, 73672, 92090, 147344, 184180, 368360, 736720, 1003781, 2007562, 4015124, 5018905, 8030248, 10037810, 16060496, 20075620, 40151240, 80302480]

約数ペア:

[(1, 80302480), (2, 40151240), (4, 20075620), (5, 16060496), (8, 10037810), (10, 8030248), (16, 5018905), (20, 4015124), (40, 2007562), (80, 1003781), (109, 736720), (218, 368360), (436, 184180), (545, 147344), (872, 92090), (1090, 73672), (1744, 46045), (2180, 36836), (4360, 18418), (8720, 9209)]