51237940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4583}}^1$

素因数の和:4648

約数の個数: 48

約数和(自身を含む): 118597248

約数和(自身を除く): 67359308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 4583, 5590, 9166, 11180, 18332, 22915, 45830, 59579, 91660, 119158, 197069, 238316, 297895, 394138, 595790, 788276, 985345, 1191580, 1970690, 2561897, 3941380, 5123794, 10247588, 12809485, 25618970, 51237940]

約数ペア:

[(1, 51237940), (2, 25618970), (4, 12809485), (5, 10247588), (10, 5123794), (13, 3941380), (20, 2561897), (26, 1970690), (43, 1191580), (52, 985345), (65, 788276), (86, 595790), (130, 394138), (172, 297895), (215, 238316), (260, 197069), (430, 119158), (559, 91660), (860, 59579), (1118, 45830), (2236, 22915), (2795, 18332), (4583, 11180), (5590, 9166)]