8681140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 19848528

約数和(自身を除く): 11167388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 193, 260, 346, 386, 692, 772, 865, 965, 1730, 1930, 2249, 2509, 3460, 3860, 4498, 5018, 8996, 10036, 11245, 12545, 22490, 25090, 33389, 44980, 50180, 66778, 133556, 166945, 333890, 434057, 667780, 868114, 1736228, 2170285, 4340570, 8681140]

約数ペア:

[(1, 8681140), (2, 4340570), (4, 2170285), (5, 1736228), (10, 868114), (13, 667780), (20, 434057), (26, 333890), (52, 166945), (65, 133556), (130, 66778), (173, 50180), (193, 44980), (260, 33389), (346, 25090), (386, 22490), (692, 12545), (772, 11245), (865, 10036), (965, 8996), (1730, 5018), (1930, 4498), (2249, 3860), (2509, 3460)]