162966400

素因数分解:

$2^7\times 5^2\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:552

約数の個数: 96

約数和(自身を含む): 406759680

約数和(自身を除く): 243793280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 127, 128, 160, 200, 254, 320, 400, 401, 508, 635, 640, 800, 802, 1016, 1270, 1600, 1604, 2005, 2032, 2540, 3175, 3200, 3208, 4010, 4064, 5080, 6350, 6416, 8020, 8128, 10025, 10160, 12700, 12832, 16040, 16256, 20050, 20320, 25400, 25664, 32080, 40100, 40640, 50800, 50927, 51328, 64160, 80200, 81280, 101600, 101854, 128320, 160400, 203200, 203708, 254635, 256640, 320800, 406400, 407416, 509270, 641600, 814832, 1018540, 1273175, 1283200, 1629664, 2037080, 2546350, 3259328, 4074160, 5092700, 6518656, 8148320, 10185400, 16296640, 20370800, 32593280, 40741600, 81483200, 162966400]

約数ペア:

[(1, 162966400), (2, 81483200), (4, 40741600), (5, 32593280), (8, 20370800), (10, 16296640), (16, 10185400), (20, 8148320), (25, 6518656), (32, 5092700), (40, 4074160), (50, 3259328), (64, 2546350), (80, 2037080), (100, 1629664), (127, 1283200), (128, 1273175), (160, 1018540), (200, 814832), (254, 641600), (320, 509270), (400, 407416), (401, 406400), (508, 320800), (635, 256640), (640, 254635), (800, 203708), (802, 203200), (1016, 160400), (1270, 128320), (1600, 101854), (1604, 101600), (2005, 81280), (2032, 80200), (2540, 64160), (3175, 51328), (3200, 50927), (3208, 50800), (4010, 40640), (4064, 40100), (5080, 32080), (6350, 25664), (6416, 25400), (8020, 20320), (8128, 20050), (10025, 16256), (10160, 16040), (12700, 12832)]