39970870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2963}}^1$

素因数の和:3060

約数の個数: 32

約数和(自身を含む): 76826880

約数和(自身を除く): 36856010

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2698, 2963, 5926, 6745, 13490, 14815, 29630, 56297, 112594, 210373, 281485, 420746, 562970, 1051865, 2103730, 3997087, 7994174, 19985435, 39970870]

約数ペア:

[(1, 39970870), (2, 19985435), (5, 7994174), (10, 3997087), (19, 2103730), (38, 1051865), (71, 562970), (95, 420746), (142, 281485), (190, 210373), (355, 112594), (710, 56297), (1349, 29630), (2698, 14815), (2963, 13490), (5926, 6745)]