31797760

素因数分解:

$2^9\times 5^1\times {\mathrm{12421}}^1$

素因数の和:12444

約数の個数: 40

約数和(自身を含む): 76246236

約数和(自身を除く): 44448476

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 12421, 24842, 49684, 62105, 99368, 124210, 198736, 248420, 397472, 496840, 794944, 993680, 1589888, 1987360, 3179776, 3974720, 6359552, 7949440, 15898880, 31797760]

約数ペア:

[(1, 31797760), (2, 15898880), (4, 7949440), (5, 6359552), (8, 3974720), (10, 3179776), (16, 1987360), (20, 1589888), (32, 993680), (40, 794944), (64, 496840), (80, 397472), (128, 248420), (160, 198736), (256, 124210), (320, 99368), (512, 62105), (640, 49684), (1280, 24842), (2560, 12421)]