51615280

素因数分解:

$2^4\times 5^1\times {\mathrm{769}}^1\times {\mathrm{839}}^1$

素因数の和:1621

約数の個数: 40

約数和(自身を含む): 120304800

約数和(自身を除く): 68689520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 769, 839, 1538, 1678, 3076, 3356, 3845, 4195, 6152, 6712, 7690, 8390, 12304, 13424, 15380, 16780, 30760, 33560, 61520, 67120, 645191, 1290382, 2580764, 3225955, 5161528, 6451910, 10323056, 12903820, 25807640, 51615280]

約数ペア:

[(1, 51615280), (2, 25807640), (4, 12903820), (5, 10323056), (8, 6451910), (10, 5161528), (16, 3225955), (20, 2580764), (40, 1290382), (80, 645191), (769, 67120), (839, 61520), (1538, 33560), (1678, 30760), (3076, 16780), (3356, 15380), (3845, 13424), (4195, 12304), (6152, 8390), (6712, 7690)]