31964380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7873}}^1$

素因数の和:7918

約数の個数: 48

約数和(自身を含む): 79369920

約数和(自身を除く): 47405540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 7873, 15746, 31492, 39365, 55111, 78730, 110222, 157460, 220444, 228317, 275555, 456634, 551110, 913268, 1102220, 1141585, 1598219, 2283170, 3196438, 4566340, 6392876, 7991095, 15982190, 31964380]

約数ペア:

[(1, 31964380), (2, 15982190), (4, 7991095), (5, 6392876), (7, 4566340), (10, 3196438), (14, 2283170), (20, 1598219), (28, 1141585), (29, 1102220), (35, 913268), (58, 551110), (70, 456634), (116, 275555), (140, 228317), (145, 220444), (203, 157460), (290, 110222), (406, 78730), (580, 55111), (812, 39365), (1015, 31492), (2030, 15746), (4060, 7873)]