65085520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47857}}^1$

素因数の和:47887

約数の個数: 40

約数和(自身を含む): 160228584

約数和(自身を除く): 95143064

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 47857, 95714, 191428, 239285, 382856, 478570, 765712, 813569, 957140, 1627138, 1914280, 3254276, 3828560, 4067845, 6508552, 8135690, 13017104, 16271380, 32542760, 65085520]

約数ペア:

[(1, 65085520), (2, 32542760), (4, 16271380), (5, 13017104), (8, 8135690), (10, 6508552), (16, 4067845), (17, 3828560), (20, 3254276), (34, 1914280), (40, 1627138), (68, 957140), (80, 813569), (85, 765712), (136, 478570), (170, 382856), (272, 239285), (340, 191428), (680, 95714), (1360, 47857)]