26989480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2351}}^1$

素因数の和:2410

約数の個数: 64

約数和(自身を含む): 71124480

約数和(自身を除く): 44135000

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, 2351, 2870, 4702, 5740, 9404, 11480, 11755, 16457, 18808, 23510, 32914, 47020, 65828, 82285, 94040, 96391, 131656, 164570, 192782, 329140, 385564, 481955, 658280, 674737, 771128, 963910, 1349474, 1927820, 2698948, 3373685, 3855640, 5397896, 6747370, 13494740, 26989480]

約数ペア:

[(1, 26989480), (2, 13494740), (4, 6747370), (5, 5397896), (7, 3855640), (8, 3373685), (10, 2698948), (14, 1927820), (20, 1349474), (28, 963910), (35, 771128), (40, 674737), (41, 658280), (56, 481955), (70, 385564), (82, 329140), (140, 192782), (164, 164570), (205, 131656), (280, 96391), (287, 94040), (328, 82285), (410, 65828), (574, 47020), (820, 32914), (1148, 23510), (1435, 18808), (1640, 16457), (2296, 11755), (2351, 11480), (2870, 9404), (4702, 5740)]