40005280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1553}}^1$

素因数の和:1598

約数の個数: 96

約数和(自身を含む): 112783104

約数和(自身を除く): 72777824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1120, 1288, 1553, 1610, 1840, 2576, 3106, 3220, 3680, 5152, 6212, 6440, 7765, 10871, 12424, 12880, 15530, 21742, 24848, 25760, 31060, 35719, 43484, 49696, 54355, 62120, 71438, 86968, 108710, 124240, 142876, 173936, 178595, 217420, 248480, 250033, 285752, 347872, 357190, 434840, 500066, 571504, 714380, 869680, 1000132, 1143008, 1250165, 1428760, 1739360, 2000264, 2500330, 2857520, 4000528, 5000660, 5715040, 8001056, 10001320, 20002640, 40005280]

約数ペア:

[(1, 40005280), (2, 20002640), (4, 10001320), (5, 8001056), (7, 5715040), (8, 5000660), (10, 4000528), (14, 2857520), (16, 2500330), (20, 2000264), (23, 1739360), (28, 1428760), (32, 1250165), (35, 1143008), (40, 1000132), (46, 869680), (56, 714380), (70, 571504), (80, 500066), (92, 434840), (112, 357190), (115, 347872), (140, 285752), (160, 250033), (161, 248480), (184, 217420), (224, 178595), (230, 173936), (280, 142876), (322, 124240), (368, 108710), (460, 86968), (560, 71438), (644, 62120), (736, 54355), (805, 49696), (920, 43484), (1120, 35719), (1288, 31060), (1553, 25760), (1610, 24848), (1840, 21742), (2576, 15530), (3106, 12880), (3220, 12424), (3680, 10871), (5152, 7765), (6212, 6440)]