53211980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{19141}}^1$

素因数の和:19289

約数の個数: 24

約数和(自身を含む): 112554960

約数和(自身を除く): 59342980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 19141, 38282, 76564, 95705, 191410, 382820, 2660599, 5321198, 10642396, 13302995, 26605990, 53211980]

約数ペア:

[(1, 53211980), (2, 26605990), (4, 13302995), (5, 10642396), (10, 5321198), (20, 2660599), (139, 382820), (278, 191410), (556, 95705), (695, 76564), (1390, 38282), (2780, 19141)]