31386320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1367}}^1$

素因数の和:1428

約数の個数: 80

約数和(自身を含む): 85494528

約数和(自身を除く): 54108208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1367, 1435, 1640, 2296, 2734, 2870, 3280, 4592, 5468, 5740, 6835, 9569, 10936, 11480, 13670, 19138, 21872, 22960, 27340, 38276, 47845, 54680, 56047, 76552, 95690, 109360, 112094, 153104, 191380, 224188, 280235, 382760, 392329, 448376, 560470, 765520, 784658, 896752, 1120940, 1569316, 1961645, 2241880, 3138632, 3923290, 4483760, 6277264, 7846580, 15693160, 31386320]

約数ペア:

[(1, 31386320), (2, 15693160), (4, 7846580), (5, 6277264), (7, 4483760), (8, 3923290), (10, 3138632), (14, 2241880), (16, 1961645), (20, 1569316), (28, 1120940), (35, 896752), (40, 784658), (41, 765520), (56, 560470), (70, 448376), (80, 392329), (82, 382760), (112, 280235), (140, 224188), (164, 191380), (205, 153104), (280, 112094), (287, 109360), (328, 95690), (410, 76552), (560, 56047), (574, 54680), (656, 47845), (820, 38276), (1148, 27340), (1367, 22960), (1435, 21872), (1640, 19138), (2296, 13670), (2734, 11480), (2870, 10936), (3280, 9569), (4592, 6835), (5468, 5740)]