90377080

素因数分解:

$2^3\times 5^1\times {\mathrm{839}}^1\times {\mathrm{2693}}^1$

素因数の和:3543

約数の個数: 32

約数和(自身を含む): 203666400

約数和(自身を除く): 113289320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 839, 1678, 2693, 3356, 4195, 5386, 6712, 8390, 10772, 13465, 16780, 21544, 26930, 33560, 53860, 107720, 2259427, 4518854, 9037708, 11297135, 18075416, 22594270, 45188540, 90377080]

約数ペア:

[(1, 90377080), (2, 45188540), (4, 22594270), (5, 18075416), (8, 11297135), (10, 9037708), (20, 4518854), (40, 2259427), (839, 107720), (1678, 53860), (2693, 33560), (3356, 26930), (4195, 21544), (5386, 16780), (6712, 13465), (8390, 10772)]