260025020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{2969}}^1$

素因数の和:3158

約数の個数: 48

約数和(自身を含む): 568814400

約数和(自身を除く): 308789380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 151, 290, 302, 580, 604, 755, 1510, 2969, 3020, 4379, 5938, 8758, 11876, 14845, 17516, 21895, 29690, 43790, 59380, 86101, 87580, 172202, 344404, 430505, 448319, 861010, 896638, 1722020, 1793276, 2241595, 4483190, 8966380, 13001251, 26002502, 52005004, 65006255, 130012510, 260025020]

約数ペア:

[(1, 260025020), (2, 130012510), (4, 65006255), (5, 52005004), (10, 26002502), (20, 13001251), (29, 8966380), (58, 4483190), (116, 2241595), (145, 1793276), (151, 1722020), (290, 896638), (302, 861010), (580, 448319), (604, 430505), (755, 344404), (1510, 172202), (2969, 87580), (3020, 86101), (4379, 59380), (5938, 43790), (8758, 29690), (11876, 21895), (14845, 17516)]