18520507075

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1627}}^1\times {\mathrm{2243}}^1$

素因数の和:3916

約数の個数: 48

約数和(自身を含む): 27180046080

約数和(自身を除く): 8659539005

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 725, 1015, 1627, 2243, 5075, 8135, 11215, 11389, 15701, 40675, 47183, 56075, 56945, 65047, 78505, 235915, 284725, 325235, 330281, 392525, 455329, 1179575, 1626175, 1651405, 2276645, 3649361, 8257025, 11383225, 18246805, 25545527, 91234025, 105831469, 127727635, 529157345, 638638175, 740820283, 2645786725, 3704101415, 18520507075]

約数ペア:

[(1, 18520507075), (5, 3704101415), (7, 2645786725), (25, 740820283), (29, 638638175), (35, 529157345), (145, 127727635), (175, 105831469), (203, 91234025), (725, 25545527), (1015, 18246805), (1627, 11383225), (2243, 8257025), (5075, 3649361), (8135, 2276645), (11215, 1651405), (11389, 1626175), (15701, 1179575), (40675, 455329), (47183, 392525), (56075, 330281), (56945, 325235), (65047, 284725), (78505, 235915)]