81054760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4637}}^1$

素因数の和:4690

約数の個数: 64

約数和(自身を含む): 200361600

約数和(自身を除く): 119306840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1748, 2185, 3496, 4370, 4637, 8740, 9274, 17480, 18548, 23185, 37096, 46370, 88103, 92740, 106651, 176206, 185480, 213302, 352412, 426604, 440515, 533255, 704824, 853208, 881030, 1066510, 1762060, 2026369, 2133020, 3524120, 4052738, 4266040, 8105476, 10131845, 16210952, 20263690, 40527380, 81054760]

約数ペア:

[(1, 81054760), (2, 40527380), (4, 20263690), (5, 16210952), (8, 10131845), (10, 8105476), (19, 4266040), (20, 4052738), (23, 3524120), (38, 2133020), (40, 2026369), (46, 1762060), (76, 1066510), (92, 881030), (95, 853208), (115, 704824), (152, 533255), (184, 440515), (190, 426604), (230, 352412), (380, 213302), (437, 185480), (460, 176206), (760, 106651), (874, 92740), (920, 88103), (1748, 46370), (2185, 37096), (3496, 23185), (4370, 18548), (4637, 17480), (8740, 9274)]