80214925

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 122670720

約数和(自身を除く): 42455795

約数列:

[1, 5, 7, 17, 25, 35, 59, 85, 119, 175, 295, 413, 425, 457, 595, 1003, 1475, 2065, 2285, 2975, 3199, 5015, 7021, 7769, 10325, 11425, 15995, 25075, 26963, 35105, 38845, 54383, 79975, 134815, 175525, 188741, 194225, 271915, 458371, 674075, 943705, 1359575, 2291855, 3208597, 4718525, 11459275, 16042985, 80214925]

約数ペア:

[(1, 80214925), (5, 16042985), (7, 11459275), (17, 4718525), (25, 3208597), (35, 2291855), (59, 1359575), (85, 943705), (119, 674075), (175, 458371), (295, 271915), (413, 194225), (425, 188741), (457, 175525), (595, 134815), (1003, 79975), (1475, 54383), (2065, 38845), (2285, 35105), (2975, 26963), (3199, 25075), (5015, 15995), (7021, 11425), (7769, 10325)]