82006720

素因数分解:

$2^6\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1021}}^1$

素因数の和:1289

約数の個数: 56

約数和(自身を含む): 196248528

約数和(自身を除く): 114241808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 251, 320, 502, 1004, 1021, 1255, 2008, 2042, 2510, 4016, 4084, 5020, 5105, 8032, 8168, 10040, 10210, 16064, 16336, 20080, 20420, 32672, 40160, 40840, 65344, 80320, 81680, 163360, 256271, 326720, 512542, 1025084, 1281355, 2050168, 2562710, 4100336, 5125420, 8200672, 10250840, 16401344, 20501680, 41003360, 82006720]

約数ペア:

[(1, 82006720), (2, 41003360), (4, 20501680), (5, 16401344), (8, 10250840), (10, 8200672), (16, 5125420), (20, 4100336), (32, 2562710), (40, 2050168), (64, 1281355), (80, 1025084), (160, 512542), (251, 326720), (320, 256271), (502, 163360), (1004, 81680), (1021, 80320), (1255, 65344), (2008, 40840), (2042, 40160), (2510, 32672), (4016, 20420), (4084, 20080), (5020, 16336), (5105, 16064), (8032, 10210), (8168, 10040)]