90772400

素因数分解:

$2^4\times 5^2\times {\mathrm{257}}^1\times {\mathrm{883}}^1$

素因数の和:1158

約数の個数: 60

約数和(自身を含む): 219177192

約数和(自身を除く): 128404792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 257, 400, 514, 883, 1028, 1285, 1766, 2056, 2570, 3532, 4112, 4415, 5140, 6425, 7064, 8830, 10280, 12850, 14128, 17660, 20560, 22075, 25700, 35320, 44150, 51400, 70640, 88300, 102800, 176600, 226931, 353200, 453862, 907724, 1134655, 1815448, 2269310, 3630896, 4538620, 5673275, 9077240, 11346550, 18154480, 22693100, 45386200, 90772400]

約数ペア:

[(1, 90772400), (2, 45386200), (4, 22693100), (5, 18154480), (8, 11346550), (10, 9077240), (16, 5673275), (20, 4538620), (25, 3630896), (40, 2269310), (50, 1815448), (80, 1134655), (100, 907724), (200, 453862), (257, 353200), (400, 226931), (514, 176600), (883, 102800), (1028, 88300), (1285, 70640), (1766, 51400), (2056, 44150), (2570, 35320), (3532, 25700), (4112, 22075), (4415, 20560), (5140, 17660), (6425, 14128), (7064, 12850), (8830, 10280)]