565517380

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1\times {\mathrm{1013}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 1204729344

約数和(自身を除く): 639211964

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 271, 412, 515, 542, 1013, 1030, 1084, 1355, 2026, 2060, 2710, 4052, 5065, 5420, 10130, 20260, 27913, 55826, 104339, 111652, 139565, 208678, 274523, 279130, 417356, 521695, 549046, 558260, 1043390, 1098092, 1372615, 2086780, 2745230, 5490460, 28275869, 56551738, 113103476, 141379345, 282758690, 565517380]

約数ペア:

[(1, 565517380), (2, 282758690), (4, 141379345), (5, 113103476), (10, 56551738), (20, 28275869), (103, 5490460), (206, 2745230), (271, 2086780), (412, 1372615), (515, 1098092), (542, 1043390), (1013, 558260), (1030, 549046), (1084, 521695), (1355, 417356), (2026, 279130), (2060, 274523), (2710, 208678), (4052, 139565), (5065, 111652), (5420, 104339), (10130, 55826), (20260, 27913)]