27717640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16901}}^1$

素因数の和:16953

約数の個数: 32

約数和(自身を含む): 63889560

約数和(自身を除く): 36171920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 16901, 33802, 67604, 84505, 135208, 169010, 338020, 676040, 692941, 1385882, 2771764, 3464705, 5543528, 6929410, 13858820, 27717640]

約数ペア:

[(1, 27717640), (2, 13858820), (4, 6929410), (5, 5543528), (8, 3464705), (10, 2771764), (20, 1385882), (40, 692941), (41, 676040), (82, 338020), (164, 169010), (205, 135208), (328, 84505), (410, 67604), (820, 33802), (1640, 16901)]