31315840

素因数分解:

$2^7\times 5^1\times {\mathrm{167}}^1\times {\mathrm{293}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 75569760

約数和(自身を除く): 44253920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 167, 293, 320, 334, 586, 640, 668, 835, 1172, 1336, 1465, 1670, 2344, 2672, 2930, 3340, 4688, 5344, 5860, 6680, 9376, 10688, 11720, 13360, 18752, 21376, 23440, 26720, 37504, 46880, 48931, 53440, 93760, 97862, 106880, 187520, 195724, 244655, 391448, 489310, 782896, 978620, 1565792, 1957240, 3131584, 3914480, 6263168, 7828960, 15657920, 31315840]

約数ペア:

[(1, 31315840), (2, 15657920), (4, 7828960), (5, 6263168), (8, 3914480), (10, 3131584), (16, 1957240), (20, 1565792), (32, 978620), (40, 782896), (64, 489310), (80, 391448), (128, 244655), (160, 195724), (167, 187520), (293, 106880), (320, 97862), (334, 93760), (586, 53440), (640, 48931), (668, 46880), (835, 37504), (1172, 26720), (1336, 23440), (1465, 21376), (1670, 18752), (2344, 13360), (2672, 11720), (2930, 10688), (3340, 9376), (4688, 6680), (5344, 5860)]