52739380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 113742720

約数和(自身を除く): 61003340

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 139, 244, 278, 305, 311, 556, 610, 622, 695, 1220, 1244, 1390, 1555, 2780, 3110, 6220, 8479, 16958, 18971, 33916, 37942, 42395, 43229, 75884, 84790, 86458, 94855, 169580, 172916, 189710, 216145, 379420, 432290, 864580, 2636969, 5273938, 10547876, 13184845, 26369690, 52739380]

約数ペア:

[(1, 52739380), (2, 26369690), (4, 13184845), (5, 10547876), (10, 5273938), (20, 2636969), (61, 864580), (122, 432290), (139, 379420), (244, 216145), (278, 189710), (305, 172916), (311, 169580), (556, 94855), (610, 86458), (622, 84790), (695, 75884), (1220, 43229), (1244, 42395), (1390, 37942), (1555, 33916), (2780, 18971), (3110, 16958), (6220, 8479)]