53920780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{86969}}^1$

素因数の和:87009

約数の個数: 24

約数和(自身を含む): 116887680

約数和(自身を除く): 62966900

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 86969, 173938, 347876, 434845, 869690, 1739380, 2696039, 5392078, 10784156, 13480195, 26960390, 53920780]

約数ペア:

[(1, 53920780), (2, 26960390), (4, 13480195), (5, 10784156), (10, 5392078), (20, 2696039), (31, 1739380), (62, 869690), (124, 434845), (155, 347876), (310, 173938), (620, 86969)]