204672280

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{22541}}^1$

素因数の和:22779

約数の個数: 32

約数和(自身を含む): 462561840

約数和(自身を除く): 257889560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 9080, 22541, 45082, 90164, 112705, 180328, 225410, 450820, 901640, 5116807, 10233614, 20467228, 25584035, 40934456, 51168070, 102336140, 204672280]

約数ペア:

[(1, 204672280), (2, 102336140), (4, 51168070), (5, 40934456), (8, 25584035), (10, 20467228), (20, 10233614), (40, 5116807), (227, 901640), (454, 450820), (908, 225410), (1135, 180328), (1816, 112705), (2270, 90164), (4540, 45082), (9080, 22541)]