206517760

素因数分解:

$2^9\times 5^1\times {\mathrm{80671}}^1$

素因数の和:80694

約数の個数: 40

約数和(自身を含む): 495164736

約数和(自身を除く): 288646976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 80671, 161342, 322684, 403355, 645368, 806710, 1290736, 1613420, 2581472, 3226840, 5162944, 6453680, 10325888, 12907360, 20651776, 25814720, 41303552, 51629440, 103258880, 206517760]

約数ペア:

[(1, 206517760), (2, 103258880), (4, 51629440), (5, 41303552), (8, 25814720), (10, 20651776), (16, 12907360), (20, 10325888), (32, 6453680), (40, 5162944), (64, 3226840), (80, 2581472), (128, 1613420), (160, 1290736), (256, 806710), (320, 645368), (512, 403355), (640, 322684), (1280, 161342), (2560, 80671)]