25214920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21737}}^1$

素因数の和:21777

約数の個数: 32

約数和(自身を含む): 58692600

約数和(自身を除く): 33477680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 21737, 43474, 86948, 108685, 173896, 217370, 434740, 630373, 869480, 1260746, 2521492, 3151865, 5042984, 6303730, 12607460, 25214920]

約数ペア:

[(1, 25214920), (2, 12607460), (4, 6303730), (5, 5042984), (8, 3151865), (10, 2521492), (20, 1260746), (29, 869480), (40, 630373), (58, 434740), (116, 217370), (145, 173896), (232, 108685), (290, 86948), (580, 43474), (1160, 21737)]