21856000

素因数分解:

$2^8\times 5^3\times {\mathrm{683}}^1$

素因数の和:714

約数の個数: 72

約数和(自身を含む): 54525744

約数和(自身を除く): 32669744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 640, 683, 800, 1000, 1280, 1366, 1600, 2000, 2732, 3200, 3415, 4000, 5464, 6400, 6830, 8000, 10928, 13660, 16000, 17075, 21856, 27320, 32000, 34150, 43712, 54640, 68300, 85375, 87424, 109280, 136600, 170750, 174848, 218560, 273200, 341500, 437120, 546400, 683000, 874240, 1092800, 1366000, 2185600, 2732000, 4371200, 5464000, 10928000, 21856000]

約数ペア:

[(1, 21856000), (2, 10928000), (4, 5464000), (5, 4371200), (8, 2732000), (10, 2185600), (16, 1366000), (20, 1092800), (25, 874240), (32, 683000), (40, 546400), (50, 437120), (64, 341500), (80, 273200), (100, 218560), (125, 174848), (128, 170750), (160, 136600), (200, 109280), (250, 87424), (256, 85375), (320, 68300), (400, 54640), (500, 43712), (640, 34150), (683, 32000), (800, 27320), (1000, 21856), (1280, 17075), (1366, 16000), (1600, 13660), (2000, 10928), (2732, 8000), (3200, 6830), (3415, 6400), (4000, 5464)]