26851720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2339}}^1$

素因数の和:2398

約数の個数: 64

約数和(自身を含む): 70761600

約数和(自身を除く): 43909880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2339, 2870, 4678, 5740, 9356, 11480, 11695, 16373, 18712, 23390, 32746, 46780, 65492, 81865, 93560, 95899, 130984, 163730, 191798, 327460, 383596, 479495, 654920, 671293, 767192, 958990, 1342586, 1917980, 2685172, 3356465, 3835960, 5370344, 6712930, 13425860, 26851720]

約数ペア:

[(1, 26851720), (2, 13425860), (4, 6712930), (5, 5370344), (7, 3835960), (8, 3356465), (10, 2685172), (14, 1917980), (20, 1342586), (28, 958990), (35, 767192), (40, 671293), (41, 654920), (56, 479495), (70, 383596), (82, 327460), (140, 191798), (164, 163730), (205, 130984), (280, 95899), (287, 93560), (328, 81865), (410, 65492), (574, 46780), (820, 32746), (1148, 23390), (1435, 18712), (1640, 16373), (2296, 11695), (2339, 11480), (2870, 9356), (4678, 5740)]