25708420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{911}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 57915648

約数和(自身を除く): 32207228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 83, 85, 166, 170, 332, 340, 415, 830, 911, 1411, 1660, 1822, 2822, 3644, 4555, 5644, 7055, 9110, 14110, 15487, 18220, 28220, 30974, 61948, 75613, 77435, 151226, 154870, 302452, 309740, 378065, 756130, 1285421, 1512260, 2570842, 5141684, 6427105, 12854210, 25708420]

約数ペア:

[(1, 25708420), (2, 12854210), (4, 6427105), (5, 5141684), (10, 2570842), (17, 1512260), (20, 1285421), (34, 756130), (68, 378065), (83, 309740), (85, 302452), (166, 154870), (170, 151226), (332, 77435), (340, 75613), (415, 61948), (830, 30974), (911, 28220), (1411, 18220), (1660, 15487), (1822, 14110), (2822, 9110), (3644, 7055), (4555, 5644)]