25014820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 59875200

約数和(自身を除く): 34860380

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 43, 58, 59, 68, 85, 86, 116, 118, 145, 170, 172, 215, 236, 290, 295, 340, 430, 493, 580, 590, 731, 860, 986, 1003, 1180, 1247, 1462, 1711, 1972, 2006, 2465, 2494, 2537, 2924, 3422, 3655, 4012, 4930, 4988, 5015, 5074, 6235, 6844, 7310, 8555, 9860, 10030, 10148, 12470, 12685, 14620, 17110, 20060, 21199, 24940, 25370, 29087, 34220, 42398, 43129, 50740, 58174, 73573, 84796, 86258, 105995, 116348, 145435, 147146, 172516, 211990, 215645, 290870, 294292, 367865, 423980, 431290, 581740, 735730, 862580, 1250741, 1471460, 2501482, 5002964, 6253705, 12507410, 25014820]

約数ペア:

[(1, 25014820), (2, 12507410), (4, 6253705), (5, 5002964), (10, 2501482), (17, 1471460), (20, 1250741), (29, 862580), (34, 735730), (43, 581740), (58, 431290), (59, 423980), (68, 367865), (85, 294292), (86, 290870), (116, 215645), (118, 211990), (145, 172516), (170, 147146), (172, 145435), (215, 116348), (236, 105995), (290, 86258), (295, 84796), (340, 73573), (430, 58174), (493, 50740), (580, 43129), (590, 42398), (731, 34220), (860, 29087), (986, 25370), (1003, 24940), (1180, 21199), (1247, 20060), (1462, 17110), (1711, 14620), (1972, 12685), (2006, 12470), (2465, 10148), (2494, 10030), (2537, 9860), (2924, 8555), (3422, 7310), (3655, 6844), (4012, 6235), (4930, 5074), (4988, 5015)]