51786320

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2579}}^1$

素因数の和:2843

約数の個数: 40

約数和(自身を含む): 120929760

約数和(自身を除く): 69143440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 2579, 4016, 5020, 5158, 10040, 10316, 12895, 20080, 20632, 25790, 41264, 51580, 103160, 206320, 647329, 1294658, 2589316, 3236645, 5178632, 6473290, 10357264, 12946580, 25893160, 51786320]

約数ペア:

[(1, 51786320), (2, 25893160), (4, 12946580), (5, 10357264), (8, 6473290), (10, 5178632), (16, 3236645), (20, 2589316), (40, 1294658), (80, 647329), (251, 206320), (502, 103160), (1004, 51580), (1255, 41264), (2008, 25790), (2510, 20632), (2579, 20080), (4016, 12895), (5020, 10316), (5158, 10040)]