39889120

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^2\times {\mathrm{67}}^1$

素因数の和:204

約数の個数: 72

約数和(自身を含む): 97238232

約数和(自身を除く): 57349112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 67, 80, 122, 134, 160, 244, 268, 305, 335, 488, 536, 610, 670, 976, 1072, 1220, 1340, 1952, 2144, 2440, 2680, 3721, 4087, 4880, 5360, 7442, 8174, 9760, 10720, 14884, 16348, 18605, 20435, 29768, 32696, 37210, 40870, 59536, 65392, 74420, 81740, 119072, 130784, 148840, 163480, 249307, 297680, 326960, 498614, 595360, 653920, 997228, 1246535, 1994456, 2493070, 3988912, 4986140, 7977824, 9972280, 19944560, 39889120]

約数ペア:

[(1, 39889120), (2, 19944560), (4, 9972280), (5, 7977824), (8, 4986140), (10, 3988912), (16, 2493070), (20, 1994456), (32, 1246535), (40, 997228), (61, 653920), (67, 595360), (80, 498614), (122, 326960), (134, 297680), (160, 249307), (244, 163480), (268, 148840), (305, 130784), (335, 119072), (488, 81740), (536, 74420), (610, 65392), (670, 59536), (976, 40870), (1072, 37210), (1220, 32696), (1340, 29768), (1952, 20435), (2144, 18605), (2440, 16348), (2680, 14884), (3721, 10720), (4087, 9760), (4880, 8174), (5360, 7442)]