51782920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2341}}^1$

素因数の和:2438

約数の個数: 64

約数和(自身を含む): 134899200

約数和(自身を除く): 83116280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2341, 2765, 3160, 4424, 4682, 5530, 9364, 11060, 11705, 16387, 18728, 22120, 23410, 32774, 46820, 65548, 81935, 93640, 131096, 163870, 184939, 327740, 369878, 655480, 739756, 924695, 1294573, 1479512, 1849390, 2589146, 3698780, 5178292, 6472865, 7397560, 10356584, 12945730, 25891460, 51782920]

約数ペア:

[(1, 51782920), (2, 25891460), (4, 12945730), (5, 10356584), (7, 7397560), (8, 6472865), (10, 5178292), (14, 3698780), (20, 2589146), (28, 1849390), (35, 1479512), (40, 1294573), (56, 924695), (70, 739756), (79, 655480), (140, 369878), (158, 327740), (280, 184939), (316, 163870), (395, 131096), (553, 93640), (632, 81935), (790, 65548), (1106, 46820), (1580, 32774), (2212, 23410), (2341, 22120), (2765, 18728), (3160, 16387), (4424, 11705), (4682, 11060), (5530, 9364)]