25000404

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{857}}^1$

素因数の和:905

約数の個数: 96

約数和(自身を含む): 72648576

約数和(自身を除く): 47648172

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 17, 22, 26, 33, 34, 39, 44, 51, 52, 66, 68, 78, 102, 132, 143, 156, 187, 204, 221, 286, 374, 429, 442, 561, 572, 663, 748, 857, 858, 884, 1122, 1326, 1714, 1716, 2244, 2431, 2571, 2652, 3428, 4862, 5142, 7293, 9427, 9724, 10284, 11141, 14569, 14586, 18854, 22282, 28281, 29138, 29172, 33423, 37708, 43707, 44564, 56562, 58276, 66846, 87414, 113124, 122551, 133692, 160259, 174828, 189397, 245102, 320518, 367653, 378794, 480777, 490204, 568191, 641036, 735306, 757588, 961554, 1136382, 1470612, 1923108, 2083367, 2272764, 4166734, 6250101, 8333468, 12500202, 25000404]

約数ペア:

[(1, 25000404), (2, 12500202), (3, 8333468), (4, 6250101), (6, 4166734), (11, 2272764), (12, 2083367), (13, 1923108), (17, 1470612), (22, 1136382), (26, 961554), (33, 757588), (34, 735306), (39, 641036), (44, 568191), (51, 490204), (52, 480777), (66, 378794), (68, 367653), (78, 320518), (102, 245102), (132, 189397), (143, 174828), (156, 160259), (187, 133692), (204, 122551), (221, 113124), (286, 87414), (374, 66846), (429, 58276), (442, 56562), (561, 44564), (572, 43707), (663, 37708), (748, 33423), (857, 29172), (858, 29138), (884, 28281), (1122, 22282), (1326, 18854), (1714, 14586), (1716, 14569), (2244, 11141), (2431, 10284), (2571, 9724), (2652, 9427), (3428, 7293), (4862, 5142)]