7401320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4513}}^1$

素因数の和:4565

約数の個数: 32

約数和(自身を含む): 17062920

約数和(自身を除く): 9661600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 4513, 9026, 18052, 22565, 36104, 45130, 90260, 180520, 185033, 370066, 740132, 925165, 1480264, 1850330, 3700660, 7401320]

約数ペア:

[(1, 7401320), (2, 3700660), (4, 1850330), (5, 1480264), (8, 925165), (10, 740132), (20, 370066), (40, 185033), (41, 180520), (82, 90260), (164, 45130), (205, 36104), (328, 22565), (410, 18052), (820, 9026), (1640, 4513)]