16245520

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3329}}^1$

素因数の和:3403

約数の個数: 40

約数和(自身を含む): 38401560

約数和(自身を除く): 22156040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 3329, 4880, 6658, 13316, 16645, 26632, 33290, 53264, 66580, 133160, 203069, 266320, 406138, 812276, 1015345, 1624552, 2030690, 3249104, 4061380, 8122760, 16245520]

約数ペア:

[(1, 16245520), (2, 8122760), (4, 4061380), (5, 3249104), (8, 2030690), (10, 1624552), (16, 1015345), (20, 812276), (40, 406138), (61, 266320), (80, 203069), (122, 133160), (244, 66580), (305, 53264), (488, 33290), (610, 26632), (976, 16645), (1220, 13316), (2440, 6658), (3329, 4880)]