71850880

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{857}}^1$

素因数の和:1007

約数の個数: 64

約数和(自身を含む): 173281680

約数和(自身を除く): 101430800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 262, 320, 524, 640, 655, 857, 1048, 1310, 1714, 2096, 2620, 3428, 4192, 4285, 5240, 6856, 8384, 8570, 10480, 13712, 16768, 17140, 20960, 27424, 34280, 41920, 54848, 68560, 83840, 109696, 112267, 137120, 224534, 274240, 449068, 548480, 561335, 898136, 1122670, 1796272, 2245340, 3592544, 4490680, 7185088, 8981360, 14370176, 17962720, 35925440, 71850880]

約数ペア:

[(1, 71850880), (2, 35925440), (4, 17962720), (5, 14370176), (8, 8981360), (10, 7185088), (16, 4490680), (20, 3592544), (32, 2245340), (40, 1796272), (64, 1122670), (80, 898136), (128, 561335), (131, 548480), (160, 449068), (262, 274240), (320, 224534), (524, 137120), (640, 112267), (655, 109696), (857, 83840), (1048, 68560), (1310, 54848), (1714, 41920), (2096, 34280), (2620, 27424), (3428, 20960), (4192, 17140), (4285, 16768), (5240, 13712), (6856, 10480), (8384, 8570)]