64926320

素因数分解:

$2^4\times 5^1\times {\mathrm{857}}^1\times {\mathrm{947}}^1$

素因数の和:1817

約数の個数: 40

約数和(自身を含む): 151289424

約数和(自身を除く): 86363104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 857, 947, 1714, 1894, 3428, 3788, 4285, 4735, 6856, 7576, 8570, 9470, 13712, 15152, 17140, 18940, 34280, 37880, 68560, 75760, 811579, 1623158, 3246316, 4057895, 6492632, 8115790, 12985264, 16231580, 32463160, 64926320]

約数ペア:

[(1, 64926320), (2, 32463160), (4, 16231580), (5, 12985264), (8, 8115790), (10, 6492632), (16, 4057895), (20, 3246316), (40, 1623158), (80, 811579), (857, 75760), (947, 68560), (1714, 37880), (1894, 34280), (3428, 18940), (3788, 17140), (4285, 15152), (4735, 13712), (6856, 9470), (7576, 8570)]