64982080

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3329}}^1$

素因数の和:3407

約数の個数: 56

約数和(自身を含む): 157322520

約数和(自身を除く): 92340440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3329, 3904, 4880, 6658, 9760, 13316, 16645, 19520, 26632, 33290, 53264, 66580, 106528, 133160, 203069, 213056, 266320, 406138, 532640, 812276, 1015345, 1065280, 1624552, 2030690, 3249104, 4061380, 6498208, 8122760, 12996416, 16245520, 32491040, 64982080]

約数ペア:

[(1, 64982080), (2, 32491040), (4, 16245520), (5, 12996416), (8, 8122760), (10, 6498208), (16, 4061380), (20, 3249104), (32, 2030690), (40, 1624552), (61, 1065280), (64, 1015345), (80, 812276), (122, 532640), (160, 406138), (244, 266320), (305, 213056), (320, 203069), (488, 133160), (610, 106528), (976, 66580), (1220, 53264), (1952, 33290), (2440, 26632), (3329, 19520), (3904, 16645), (4880, 13316), (6658, 9760)]