31194440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{827}}^1$

素因数の和:902

約数の個数: 64

約数和(自身を含む): 75116160

約数和(自身を除く): 43921720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 164, 184, 205, 230, 328, 410, 460, 820, 827, 920, 943, 1640, 1654, 1886, 3308, 3772, 4135, 4715, 6616, 7544, 8270, 9430, 16540, 18860, 19021, 33080, 33907, 37720, 38042, 67814, 76084, 95105, 135628, 152168, 169535, 190210, 271256, 339070, 380420, 678140, 760840, 779861, 1356280, 1559722, 3119444, 3899305, 6238888, 7798610, 15597220, 31194440]

約数ペア:

[(1, 31194440), (2, 15597220), (4, 7798610), (5, 6238888), (8, 3899305), (10, 3119444), (20, 1559722), (23, 1356280), (40, 779861), (41, 760840), (46, 678140), (82, 380420), (92, 339070), (115, 271256), (164, 190210), (184, 169535), (205, 152168), (230, 135628), (328, 95105), (410, 76084), (460, 67814), (820, 38042), (827, 37720), (920, 33907), (943, 33080), (1640, 19021), (1654, 18860), (1886, 16540), (3308, 9430), (3772, 8270), (4135, 7544), (4715, 6616)]