8245850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 16572600

約数和(自身を除く): 8326750

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 89, 109, 170, 178, 218, 425, 445, 545, 850, 890, 1090, 1513, 1853, 2225, 2725, 3026, 3706, 4450, 5450, 7565, 9265, 9701, 15130, 18530, 19402, 37825, 46325, 48505, 75650, 92650, 97010, 164917, 242525, 329834, 485050, 824585, 1649170, 4122925, 8245850]

約数ペア:

[(1, 8245850), (2, 4122925), (5, 1649170), (10, 824585), (17, 485050), (25, 329834), (34, 242525), (50, 164917), (85, 97010), (89, 92650), (109, 75650), (170, 48505), (178, 46325), (218, 37825), (425, 19402), (445, 18530), (545, 15130), (850, 9701), (890, 9265), (1090, 7565), (1513, 5450), (1853, 4450), (2225, 3706), (2725, 3026)]