78328000

素因数分解:

$2^6\times 5^3\times {\mathrm{9791}}^1$

素因数の和:9818

約数の個数: 56

約数和(自身を含む): 193999104

約数和(自身を除く): 115671104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 4000, 8000, 9791, 19582, 39164, 48955, 78328, 97910, 156656, 195820, 244775, 313312, 391640, 489550, 626624, 783280, 979100, 1223875, 1566560, 1958200, 2447750, 3133120, 3916400, 4895500, 7832800, 9791000, 15665600, 19582000, 39164000, 78328000]

約数ペア:

[(1, 78328000), (2, 39164000), (4, 19582000), (5, 15665600), (8, 9791000), (10, 7832800), (16, 4895500), (20, 3916400), (25, 3133120), (32, 2447750), (40, 1958200), (50, 1566560), (64, 1223875), (80, 979100), (100, 783280), (125, 626624), (160, 489550), (200, 391640), (250, 313312), (320, 244775), (400, 195820), (500, 156656), (800, 97910), (1000, 78328), (1600, 48955), (2000, 39164), (4000, 19582), (8000, 9791)]