68318720

素因数分解:

$2^9\times 5^1\times {\mathrm{26687}}^1$

素因数の和:26710

約数の個数: 40

約数和(自身を含む): 163810944

約数和(自身を除く): 95492224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 26687, 53374, 106748, 133435, 213496, 266870, 426992, 533740, 853984, 1067480, 1707968, 2134960, 3415936, 4269920, 6831872, 8539840, 13663744, 17079680, 34159360, 68318720]

約数ペア:

[(1, 68318720), (2, 34159360), (4, 17079680), (5, 13663744), (8, 8539840), (10, 6831872), (16, 4269920), (20, 3415936), (32, 2134960), (40, 1707968), (64, 1067480), (80, 853984), (128, 533740), (160, 426992), (256, 266870), (320, 213496), (512, 133435), (640, 106748), (1280, 53374), (2560, 26687)]