8590280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 20736000

約数和(自身を除く): 12145720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 127, 152, 178, 190, 254, 356, 380, 445, 508, 635, 712, 760, 890, 1016, 1270, 1691, 1780, 2413, 2540, 3382, 3560, 4826, 5080, 6764, 8455, 9652, 11303, 12065, 13528, 16910, 19304, 22606, 24130, 33820, 45212, 48260, 56515, 67640, 90424, 96520, 113030, 214757, 226060, 429514, 452120, 859028, 1073785, 1718056, 2147570, 4295140, 8590280]

約数ペア:

[(1, 8590280), (2, 4295140), (4, 2147570), (5, 1718056), (8, 1073785), (10, 859028), (19, 452120), (20, 429514), (38, 226060), (40, 214757), (76, 113030), (89, 96520), (95, 90424), (127, 67640), (152, 56515), (178, 48260), (190, 45212), (254, 33820), (356, 24130), (380, 22606), (445, 19304), (508, 16910), (635, 13528), (712, 12065), (760, 11303), (890, 9652), (1016, 8455), (1270, 6764), (1691, 5080), (1780, 4826), (2413, 3560), (2540, 3382)]