39872920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 92897280

約数和(自身を除く): 53024360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 127, 167, 188, 235, 254, 334, 376, 470, 508, 635, 668, 835, 940, 1016, 1270, 1336, 1670, 1880, 2540, 3340, 5080, 5969, 6680, 7849, 11938, 15698, 21209, 23876, 29845, 31396, 39245, 42418, 47752, 59690, 62792, 78490, 84836, 106045, 119380, 156980, 169672, 212090, 238760, 313960, 424180, 848360, 996823, 1993646, 3987292, 4984115, 7974584, 9968230, 19936460, 39872920]

約数ペア:

[(1, 39872920), (2, 19936460), (4, 9968230), (5, 7974584), (8, 4984115), (10, 3987292), (20, 1993646), (40, 996823), (47, 848360), (94, 424180), (127, 313960), (167, 238760), (188, 212090), (235, 169672), (254, 156980), (334, 119380), (376, 106045), (470, 84836), (508, 78490), (635, 62792), (668, 59690), (835, 47752), (940, 42418), (1016, 39245), (1270, 31396), (1336, 29845), (1670, 23876), (1880, 21209), (2540, 15698), (3340, 11938), (5080, 7849), (5969, 6680)]