39445690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 78382080

約数和(自身を除く): 38936390

約数列:

[1, 2, 5, 10, 23, 41, 46, 47, 82, 89, 94, 115, 178, 205, 230, 235, 410, 445, 470, 890, 943, 1081, 1886, 1927, 2047, 2162, 3649, 3854, 4094, 4183, 4715, 5405, 7298, 8366, 9430, 9635, 10235, 10810, 18245, 19270, 20470, 20915, 36490, 41830, 44321, 83927, 88642, 96209, 167854, 171503, 192418, 221605, 343006, 419635, 443210, 481045, 839270, 857515, 962090, 1715030, 3944569, 7889138, 19722845, 39445690]

約数ペア:

[(1, 39445690), (2, 19722845), (5, 7889138), (10, 3944569), (23, 1715030), (41, 962090), (46, 857515), (47, 839270), (82, 481045), (89, 443210), (94, 419635), (115, 343006), (178, 221605), (205, 192418), (230, 171503), (235, 167854), (410, 96209), (445, 88642), (470, 83927), (890, 44321), (943, 41830), (1081, 36490), (1886, 20915), (1927, 20470), (2047, 19270), (2162, 18245), (3649, 10810), (3854, 10235), (4094, 9635), (4183, 9430), (4715, 8366), (5405, 7298)]