31408000

素因数分解:

$2^7\times 5^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 84651840

約数和(自身を除く): 53243840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 128, 130, 151, 160, 200, 208, 250, 260, 302, 320, 325, 400, 416, 500, 520, 604, 640, 650, 755, 800, 832, 1000, 1040, 1208, 1300, 1510, 1600, 1625, 1664, 1963, 2000, 2080, 2416, 2600, 3020, 3200, 3250, 3775, 3926, 4000, 4160, 4832, 5200, 6040, 6500, 7550, 7852, 8000, 8320, 9664, 9815, 10400, 12080, 13000, 15100, 15704, 16000, 18875, 19328, 19630, 20800, 24160, 26000, 30200, 31408, 37750, 39260, 41600, 48320, 49075, 52000, 60400, 62816, 75500, 78520, 96640, 98150, 104000, 120800, 125632, 151000, 157040, 196300, 208000, 241600, 245375, 251264, 302000, 314080, 392600, 483200, 490750, 604000, 628160, 785200, 981500, 1208000, 1256320, 1570400, 1963000, 2416000, 3140800, 3926000, 6281600, 7852000, 15704000, 31408000]

約数ペア:

[(1, 31408000), (2, 15704000), (4, 7852000), (5, 6281600), (8, 3926000), (10, 3140800), (13, 2416000), (16, 1963000), (20, 1570400), (25, 1256320), (26, 1208000), (32, 981500), (40, 785200), (50, 628160), (52, 604000), (64, 490750), (65, 483200), (80, 392600), (100, 314080), (104, 302000), (125, 251264), (128, 245375), (130, 241600), (151, 208000), (160, 196300), (200, 157040), (208, 151000), (250, 125632), (260, 120800), (302, 104000), (320, 98150), (325, 96640), (400, 78520), (416, 75500), (500, 62816), (520, 60400), (604, 52000), (640, 49075), (650, 48320), (755, 41600), (800, 39260), (832, 37750), (1000, 31408), (1040, 30200), (1208, 26000), (1300, 24160), (1510, 20800), (1600, 19630), (1625, 19328), (1664, 18875), (1963, 16000), (2000, 15704), (2080, 15100), (2416, 13000), (2600, 12080), (3020, 10400), (3200, 9815), (3250, 9664), (3775, 8320), (3926, 8000), (4000, 7852), (4160, 7550), (4832, 6500), (5200, 6040)]