25126400

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:192

約数の個数: 120

約数和(自身を含む): 67485264

約数和(自身を除く): 42358864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 151, 160, 200, 208, 256, 260, 302, 320, 325, 400, 416, 512, 520, 604, 640, 650, 755, 800, 832, 1040, 1208, 1280, 1300, 1510, 1600, 1664, 1963, 2080, 2416, 2560, 2600, 3020, 3200, 3328, 3775, 3926, 4160, 4832, 5200, 6040, 6400, 6656, 7550, 7852, 8320, 9664, 9815, 10400, 12080, 12800, 15100, 15704, 16640, 19328, 19630, 20800, 24160, 30200, 31408, 33280, 38656, 39260, 41600, 48320, 49075, 60400, 62816, 77312, 78520, 83200, 96640, 98150, 120800, 125632, 157040, 166400, 193280, 196300, 241600, 251264, 314080, 386560, 392600, 483200, 502528, 628160, 785200, 966400, 1005056, 1256320, 1570400, 1932800, 2512640, 3140800, 5025280, 6281600, 12563200, 25126400]

約数ペア:

[(1, 25126400), (2, 12563200), (4, 6281600), (5, 5025280), (8, 3140800), (10, 2512640), (13, 1932800), (16, 1570400), (20, 1256320), (25, 1005056), (26, 966400), (32, 785200), (40, 628160), (50, 502528), (52, 483200), (64, 392600), (65, 386560), (80, 314080), (100, 251264), (104, 241600), (128, 196300), (130, 193280), (151, 166400), (160, 157040), (200, 125632), (208, 120800), (256, 98150), (260, 96640), (302, 83200), (320, 78520), (325, 77312), (400, 62816), (416, 60400), (512, 49075), (520, 48320), (604, 41600), (640, 39260), (650, 38656), (755, 33280), (800, 31408), (832, 30200), (1040, 24160), (1208, 20800), (1280, 19630), (1300, 19328), (1510, 16640), (1600, 15704), (1664, 15100), (1963, 12800), (2080, 12080), (2416, 10400), (2560, 9815), (2600, 9664), (3020, 8320), (3200, 7852), (3328, 7550), (3775, 6656), (3926, 6400), (4160, 6040), (4832, 5200)]