89493640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 207567360

約数和(自身を除く): 118073720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 181, 188, 235, 263, 362, 376, 470, 526, 724, 905, 940, 1052, 1315, 1448, 1810, 1880, 2104, 2630, 3620, 5260, 7240, 8507, 10520, 12361, 17014, 24722, 34028, 42535, 47603, 49444, 61805, 68056, 85070, 95206, 98888, 123610, 170140, 190412, 238015, 247220, 340280, 380824, 476030, 494440, 952060, 1904120, 2237341, 4474682, 8949364, 11186705, 17898728, 22373410, 44746820, 89493640]

約数ペア:

[(1, 89493640), (2, 44746820), (4, 22373410), (5, 17898728), (8, 11186705), (10, 8949364), (20, 4474682), (40, 2237341), (47, 1904120), (94, 952060), (181, 494440), (188, 476030), (235, 380824), (263, 340280), (362, 247220), (376, 238015), (470, 190412), (526, 170140), (724, 123610), (905, 98888), (940, 95206), (1052, 85070), (1315, 68056), (1448, 61805), (1810, 49444), (1880, 47603), (2104, 42535), (2630, 34028), (3620, 24722), (5260, 17014), (7240, 12361), (8507, 10520)]