64796680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^2$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 157453380

約数和(自身を除く): 92656700

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 353, 520, 706, 1412, 1765, 2824, 3530, 4589, 7060, 9178, 14120, 18356, 22945, 36712, 45890, 91780, 124609, 183560, 249218, 498436, 623045, 996872, 1246090, 1619917, 2492180, 3239834, 4984360, 6479668, 8099585, 12959336, 16199170, 32398340, 64796680]

約数ペア:

[(1, 64796680), (2, 32398340), (4, 16199170), (5, 12959336), (8, 8099585), (10, 6479668), (13, 4984360), (20, 3239834), (26, 2492180), (40, 1619917), (52, 1246090), (65, 996872), (104, 623045), (130, 498436), (260, 249218), (353, 183560), (520, 124609), (706, 91780), (1412, 45890), (1765, 36712), (2824, 22945), (3530, 18356), (4589, 14120), (7060, 9178)]