25001680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28411}}^1$

素因数の和:28435

約数の個数: 40

約数和(自身を含む): 63415584

約数和(自身を除く): 38413904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 28411, 56822, 113644, 142055, 227288, 284110, 312521, 454576, 568220, 625042, 1136440, 1250084, 1562605, 2272880, 2500168, 3125210, 5000336, 6250420, 12500840, 25001680]

約数ペア:

[(1, 25001680), (2, 12500840), (4, 6250420), (5, 5000336), (8, 3125210), (10, 2500168), (11, 2272880), (16, 1562605), (20, 1250084), (22, 1136440), (40, 625042), (44, 568220), (55, 454576), (80, 312521), (88, 284110), (110, 227288), (176, 142055), (220, 113644), (440, 56822), (880, 28411)]