77929540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1553}}^1$

素因数の和:1768

約数の個数: 48

約数和(自身を含む): 177267888

約数和(自身を除く): 99338348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 193, 260, 386, 772, 965, 1553, 1930, 2509, 3106, 3860, 5018, 6212, 7765, 10036, 12545, 15530, 20189, 25090, 31060, 40378, 50180, 80756, 100945, 201890, 299729, 403780, 599458, 1198916, 1498645, 2997290, 3896477, 5994580, 7792954, 15585908, 19482385, 38964770, 77929540]

約数ペア:

[(1, 77929540), (2, 38964770), (4, 19482385), (5, 15585908), (10, 7792954), (13, 5994580), (20, 3896477), (26, 2997290), (52, 1498645), (65, 1198916), (130, 599458), (193, 403780), (260, 299729), (386, 201890), (772, 100945), (965, 80756), (1553, 50180), (1930, 40378), (2509, 31060), (3106, 25090), (3860, 20189), (5018, 15530), (6212, 12545), (7765, 10036)]