28330360

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2693}}^1$

素因数の和:2967

約数の個数: 32

約数和(自身を含む): 64009440

約数和(自身を除く): 35679080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 2693, 5260, 5386, 10520, 10772, 13465, 21544, 26930, 53860, 107720, 708259, 1416518, 2833036, 3541295, 5666072, 7082590, 14165180, 28330360]

約数ペア:

[(1, 28330360), (2, 14165180), (4, 7082590), (5, 5666072), (8, 3541295), (10, 2833036), (20, 1416518), (40, 708259), (263, 107720), (526, 53860), (1052, 26930), (1315, 21544), (2104, 13465), (2630, 10772), (2693, 10520), (5260, 5386)]