205041520

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{43441}}^1$

素因数の和:43513

約数の個数: 40

約数和(自身を含む): 484812720

約数和(自身を除く): 279771200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 43441, 86882, 173764, 217205, 347528, 434410, 695056, 868820, 1737640, 2563019, 3475280, 5126038, 10252076, 12815095, 20504152, 25630190, 41008304, 51260380, 102520760, 205041520]

約数ペア:

[(1, 205041520), (2, 102520760), (4, 51260380), (5, 41008304), (8, 25630190), (10, 20504152), (16, 12815095), (20, 10252076), (40, 5126038), (59, 3475280), (80, 2563019), (118, 1737640), (236, 868820), (295, 695056), (472, 434410), (590, 347528), (944, 217205), (1180, 173764), (2360, 86882), (4720, 43441)]