64382480

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{17123}}^1$

素因数の和:17183

約数の個数: 40

約数和(自身を含む): 152883072

約数和(自身を除く): 88500592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 17123, 34246, 68492, 85615, 136984, 171230, 273968, 342460, 684920, 804781, 1369840, 1609562, 3219124, 4023905, 6438248, 8047810, 12876496, 16095620, 32191240, 64382480]

約数ペア:

[(1, 64382480), (2, 32191240), (4, 16095620), (5, 12876496), (8, 8047810), (10, 6438248), (16, 4023905), (20, 3219124), (40, 1609562), (47, 1369840), (80, 804781), (94, 684920), (188, 342460), (235, 273968), (376, 171230), (470, 136984), (752, 85615), (940, 68492), (1880, 34246), (3760, 17123)]