28512940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{727}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 62741952

約数和(自身を除く): 34229012

約数列:

[1, 2, 4, 5, 10, 20, 37, 53, 74, 106, 148, 185, 212, 265, 370, 530, 727, 740, 1060, 1454, 1961, 2908, 3635, 3922, 7270, 7844, 9805, 14540, 19610, 26899, 38531, 39220, 53798, 77062, 107596, 134495, 154124, 192655, 268990, 385310, 537980, 770620, 1425647, 2851294, 5702588, 7128235, 14256470, 28512940]

約数ペア:

[(1, 28512940), (2, 14256470), (4, 7128235), (5, 5702588), (10, 2851294), (20, 1425647), (37, 770620), (53, 537980), (74, 385310), (106, 268990), (148, 192655), (185, 154124), (212, 134495), (265, 107596), (370, 77062), (530, 53798), (727, 39220), (740, 38531), (1060, 26899), (1454, 19610), (1961, 14540), (2908, 9805), (3635, 7844), (3922, 7270)]