55517440

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3943}}^1$

素因数の和:3975

約数の個数: 72

約数和(自身を含む): 145107648

約数和(自身を除く): 89590208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 3943, 7040, 7886, 14080, 15772, 19715, 31544, 39430, 43373, 63088, 78860, 86746, 126176, 157720, 173492, 216865, 252352, 315440, 346984, 433730, 504704, 630880, 693968, 867460, 1009408, 1261760, 1387936, 1734920, 2523520, 2775872, 3469840, 5047040, 5551744, 6939680, 11103488, 13879360, 27758720, 55517440]

約数ペア:

[(1, 55517440), (2, 27758720), (4, 13879360), (5, 11103488), (8, 6939680), (10, 5551744), (11, 5047040), (16, 3469840), (20, 2775872), (22, 2523520), (32, 1734920), (40, 1387936), (44, 1261760), (55, 1009408), (64, 867460), (80, 693968), (88, 630880), (110, 504704), (128, 433730), (160, 346984), (176, 315440), (220, 252352), (256, 216865), (320, 173492), (352, 157720), (440, 126176), (640, 86746), (704, 78860), (880, 63088), (1280, 43373), (1408, 39430), (1760, 31544), (2816, 19715), (3520, 15772), (3943, 14080), (7040, 7886)]