66571760

素因数分解:

$2^4\times 5^1\times {\mathrm{857}}^1\times {\mathrm{971}}^1$

素因数の和:1841

約数の個数: 40

約数和(自身を含む): 155119536

約数和(自身を除く): 88547776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 857, 971, 1714, 1942, 3428, 3884, 4285, 4855, 6856, 7768, 8570, 9710, 13712, 15536, 17140, 19420, 34280, 38840, 68560, 77680, 832147, 1664294, 3328588, 4160735, 6657176, 8321470, 13314352, 16642940, 33285880, 66571760]

約数ペア:

[(1, 66571760), (2, 33285880), (4, 16642940), (5, 13314352), (8, 8321470), (10, 6657176), (16, 4160735), (20, 3328588), (40, 1664294), (80, 832147), (857, 77680), (971, 68560), (1714, 38840), (1942, 34280), (3428, 19420), (3884, 17140), (4285, 15536), (4855, 13712), (6856, 9710), (7768, 8570)]