224680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:189

約数の個数: 32

約数和(自身を含む): 521640

約数和(自身を除く): 296960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 137, 164, 205, 274, 328, 410, 548, 685, 820, 1096, 1370, 1640, 2740, 5480, 5617, 11234, 22468, 28085, 44936, 56170, 112340, 224680]

約数ペア:

[(1, 224680), (2, 112340), (4, 56170), (5, 44936), (8, 28085), (10, 22468), (20, 11234), (40, 5617), (41, 5480), (82, 2740), (137, 1640), (164, 1370), (205, 1096), (274, 820), (328, 685), (410, 548)]