56170580

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 121336320

約数和(自身を除く): 65165740

約数列:

[1, 2, 4, 5, 10, 20, 73, 79, 146, 158, 292, 316, 365, 395, 487, 730, 790, 974, 1460, 1580, 1948, 2435, 4870, 5767, 9740, 11534, 23068, 28835, 35551, 38473, 57670, 71102, 76946, 115340, 142204, 153892, 177755, 192365, 355510, 384730, 711020, 769460, 2808529, 5617058, 11234116, 14042645, 28085290, 56170580]

約数ペア:

[(1, 56170580), (2, 28085290), (4, 14042645), (5, 11234116), (10, 5617058), (20, 2808529), (73, 769460), (79, 711020), (146, 384730), (158, 355510), (292, 192365), (316, 177755), (365, 153892), (395, 142204), (487, 115340), (730, 76946), (790, 71102), (974, 57670), (1460, 38473), (1580, 35551), (1948, 28835), (2435, 23068), (4870, 11534), (5767, 9740)]