1900771480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1159007}}^1$

素因数の和:1159059

約数の個数: 32

約数和(自身を含む): 4381050240

約数和(自身を除く): 2480278760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1159007, 2318014, 4636028, 5795035, 9272056, 11590070, 23180140, 46360280, 47519287, 95038574, 190077148, 237596435, 380154296, 475192870, 950385740, 1900771480]

約数ペア:

[(1, 1900771480), (2, 950385740), (4, 475192870), (5, 380154296), (8, 237596435), (10, 190077148), (20, 95038574), (40, 47519287), (41, 46360280), (82, 23180140), (164, 11590070), (205, 9272056), (328, 5795035), (410, 4636028), (820, 2318014), (1640, 1159007)]