7768280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{14939}}^1$

素因数の和:14963

約数の個数: 32

約数和(自身を含む): 18824400

約数和(自身を除く): 11056120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 14939, 29878, 59756, 74695, 119512, 149390, 194207, 298780, 388414, 597560, 776828, 971035, 1553656, 1942070, 3884140, 7768280]

約数ペア:

[(1, 7768280), (2, 3884140), (4, 1942070), (5, 1553656), (8, 971035), (10, 776828), (13, 597560), (20, 388414), (26, 298780), (40, 194207), (52, 149390), (65, 119512), (104, 74695), (130, 59756), (260, 29878), (520, 14939)]