90237320

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{14369}}^1$

素因数の和:14537

約数の個数: 32

約数和(自身を含む): 204341400

約数和(自身を除く): 114104080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 14369, 28738, 57476, 71845, 114952, 143690, 287380, 574760, 2255933, 4511866, 9023732, 11279665, 18047464, 22559330, 45118660, 90237320]

約数ペア:

[(1, 90237320), (2, 45118660), (4, 22559330), (5, 18047464), (8, 11279665), (10, 9023732), (20, 4511866), (40, 2255933), (157, 574760), (314, 287380), (628, 143690), (785, 114952), (1256, 71845), (1570, 57476), (3140, 28738), (6280, 14369)]