66656000

素因数分解:

$2^8\times 5^3\times {\mathrm{2083}}^1$

素因数の和:2114

約数の個数: 72

約数和(自身を含む): 166128144

約数和(自身を除く): 99472144

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, 800, 1000, 1280, 1600, 2000, 2083, 3200, 4000, 4166, 6400, 8000, 8332, 10415, 16000, 16664, 20830, 32000, 33328, 41660, 52075, 66656, 83320, 104150, 133312, 166640, 208300, 260375, 266624, 333280, 416600, 520750, 533248, 666560, 833200, 1041500, 1333120, 1666400, 2083000, 2666240, 3332800, 4166000, 6665600, 8332000, 13331200, 16664000, 33328000, 66656000]

約数ペア:

[(1, 66656000), (2, 33328000), (4, 16664000), (5, 13331200), (8, 8332000), (10, 6665600), (16, 4166000), (20, 3332800), (25, 2666240), (32, 2083000), (40, 1666400), (50, 1333120), (64, 1041500), (80, 833200), (100, 666560), (125, 533248), (128, 520750), (160, 416600), (200, 333280), (250, 266624), (256, 260375), (320, 208300), (400, 166640), (500, 133312), (640, 104150), (800, 83320), (1000, 66656), (1280, 52075), (1600, 41660), (2000, 33328), (2083, 32000), (3200, 20830), (4000, 16664), (4166, 16000), (6400, 10415), (8000, 8332)]