31720060

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{383}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 69092352

約数和(自身を除く): 37372292

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 101, 164, 202, 205, 383, 404, 410, 505, 766, 820, 1010, 1532, 1915, 2020, 3830, 4141, 7660, 8282, 15703, 16564, 20705, 31406, 38683, 41410, 62812, 77366, 78515, 82820, 154732, 157030, 193415, 314060, 386830, 773660, 1586003, 3172006, 6344012, 7930015, 15860030, 31720060]

約数ペア:

[(1, 31720060), (2, 15860030), (4, 7930015), (5, 6344012), (10, 3172006), (20, 1586003), (41, 773660), (82, 386830), (101, 314060), (164, 193415), (202, 157030), (205, 154732), (383, 82820), (404, 78515), (410, 77366), (505, 62812), (766, 41410), (820, 38683), (1010, 31406), (1532, 20705), (1915, 16564), (2020, 15703), (3830, 8282), (4141, 7660)]