120008120

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{11953}}^1$

素因数の和:12215

約数の個数: 32

約数和(自身を含む): 271116720

約数和(自身を除く): 151108600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 11953, 23906, 47812, 59765, 95624, 119530, 239060, 478120, 3000203, 6000406, 12000812, 15001015, 24001624, 30002030, 60004060, 120008120]

約数ペア:

[(1, 120008120), (2, 60004060), (4, 30002030), (5, 24001624), (8, 15001015), (10, 12000812), (20, 6000406), (40, 3000203), (251, 478120), (502, 239060), (1004, 119530), (1255, 95624), (2008, 59765), (2510, 47812), (5020, 23906), (10040, 11953)]