97919720

素因数分解:

$2^3\times 5^1\times {\mathrm{907}}^1\times {\mathrm{2699}}^1$

素因数の和:3617

約数の個数: 32

約数和(自身を含む): 220644000

約数和(自身を除く): 122724280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 907, 1814, 2699, 3628, 4535, 5398, 7256, 9070, 10796, 13495, 18140, 21592, 26990, 36280, 53980, 107960, 2447993, 4895986, 9791972, 12239965, 19583944, 24479930, 48959860, 97919720]

約数ペア:

[(1, 97919720), (2, 48959860), (4, 24479930), (5, 19583944), (8, 12239965), (10, 9791972), (20, 4895986), (40, 2447993), (907, 107960), (1814, 53980), (2699, 36280), (3628, 26990), (4535, 21592), (5398, 18140), (7256, 13495), (9070, 10796)]