632800040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{1579}}^1$

素因数の和:1866

約数の個数: 64

約数和(自身を含む): 1464091200

約数和(自身を除く): 831291160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 233, 344, 430, 466, 860, 932, 1165, 1579, 1720, 1864, 2330, 3158, 4660, 6316, 7895, 9320, 10019, 12632, 15790, 20038, 31580, 40076, 50095, 63160, 67897, 80152, 100190, 135794, 200380, 271588, 339485, 367907, 400760, 543176, 678970, 735814, 1357940, 1471628, 1839535, 2715880, 2943256, 3679070, 7358140, 14716280, 15820001, 31640002, 63280004, 79100005, 126560008, 158200010, 316400020, 632800040]

約数ペア:

[(1, 632800040), (2, 316400020), (4, 158200010), (5, 126560008), (8, 79100005), (10, 63280004), (20, 31640002), (40, 15820001), (43, 14716280), (86, 7358140), (172, 3679070), (215, 2943256), (233, 2715880), (344, 1839535), (430, 1471628), (466, 1357940), (860, 735814), (932, 678970), (1165, 543176), (1579, 400760), (1720, 367907), (1864, 339485), (2330, 271588), (3158, 200380), (4660, 135794), (6316, 100190), (7895, 80152), (9320, 67897), (10019, 63160), (12632, 50095), (15790, 40076), (20038, 31580)]