19625520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{81773}}^1$

素因数の和:81789

約数の個数: 40

約数和(自身を含む): 60839856

約数和(自身を除く): 41214336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 81773, 163546, 245319, 327092, 408865, 490638, 654184, 817730, 981276, 1226595, 1308368, 1635460, 1962552, 2453190, 3270920, 3925104, 4906380, 6541840, 9812760, 19625520]

約数ペア:

[(1, 19625520), (2, 9812760), (3, 6541840), (4, 4906380), (5, 3925104), (6, 3270920), (8, 2453190), (10, 1962552), (12, 1635460), (15, 1308368), (16, 1226595), (20, 981276), (24, 817730), (30, 654184), (40, 490638), (48, 408865), (60, 327092), (80, 245319), (120, 163546), (240, 81773)]