55828280

素因数分解:

$2^3\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{1367}}^1$

素因数の和:2399

約数の個数: 32

約数和(自身を含む): 125828640

約数和(自身を除く): 70000360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1021, 1367, 2042, 2734, 4084, 5105, 5468, 6835, 8168, 10210, 10936, 13670, 20420, 27340, 40840, 54680, 1395707, 2791414, 5582828, 6978535, 11165656, 13957070, 27914140, 55828280]

約数ペア:

[(1, 55828280), (2, 27914140), (4, 13957070), (5, 11165656), (8, 6978535), (10, 5582828), (20, 2791414), (40, 1395707), (1021, 54680), (1367, 40840), (2042, 27340), (2734, 20420), (4084, 13670), (5105, 10936), (5468, 10210), (6835, 8168)]