128524100

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{9811}}^1$

素因数の和:9956

約数の個数: 36

約数和(自身を含む): 281054928

約数和(自身を除く): 152530828

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 2620, 3275, 6550, 9811, 13100, 19622, 39244, 49055, 98110, 196220, 245275, 490550, 981100, 1285241, 2570482, 5140964, 6426205, 12852410, 25704820, 32131025, 64262050, 128524100]

約数ペア:

[(1, 128524100), (2, 64262050), (4, 32131025), (5, 25704820), (10, 12852410), (20, 6426205), (25, 5140964), (50, 2570482), (100, 1285241), (131, 981100), (262, 490550), (524, 245275), (655, 196220), (1310, 98110), (2620, 49055), (3275, 39244), (6550, 19622), (9811, 13100)]