51855700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 122601528

約数和(自身を除く): 70745828

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 113, 130, 226, 260, 325, 353, 452, 565, 650, 706, 1130, 1300, 1412, 1469, 1765, 2260, 2825, 2938, 3530, 4589, 5650, 5876, 7060, 7345, 8825, 9178, 11300, 14690, 17650, 18356, 22945, 29380, 35300, 36725, 39889, 45890, 73450, 79778, 91780, 114725, 146900, 159556, 199445, 229450, 398890, 458900, 518557, 797780, 997225, 1037114, 1994450, 2074228, 2592785, 3988900, 5185570, 10371140, 12963925, 25927850, 51855700]

約数ペア:

[(1, 51855700), (2, 25927850), (4, 12963925), (5, 10371140), (10, 5185570), (13, 3988900), (20, 2592785), (25, 2074228), (26, 1994450), (50, 1037114), (52, 997225), (65, 797780), (100, 518557), (113, 458900), (130, 398890), (226, 229450), (260, 199445), (325, 159556), (353, 146900), (452, 114725), (565, 91780), (650, 79778), (706, 73450), (1130, 45890), (1300, 39889), (1412, 36725), (1469, 35300), (1765, 29380), (2260, 22945), (2825, 18356), (2938, 17650), (3530, 14690), (4589, 11300), (5650, 9178), (5876, 8825), (7060, 7345)]