57204520

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{9109}}^1$

素因数の和:9277

約数の個数: 32

約数和(自身を含む): 129544200

約数和(自身を除く): 72339680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 9109, 18218, 36436, 45545, 72872, 91090, 182180, 364360, 1430113, 2860226, 5720452, 7150565, 11440904, 14301130, 28602260, 57204520]

約数ペア:

[(1, 57204520), (2, 28602260), (4, 14301130), (5, 11440904), (8, 7150565), (10, 5720452), (20, 2860226), (40, 1430113), (157, 364360), (314, 182180), (628, 91090), (785, 72872), (1256, 45545), (1570, 36436), (3140, 18218), (6280, 9109)]