51784640

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3947}}^1$

素因数の和:4005

約数の個数: 56

約数和(自身を含む): 126351792

約数和(自身を除く): 74567152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 3947, 6560, 7894, 13120, 15788, 19735, 31576, 39470, 63152, 78940, 126304, 157880, 161827, 252608, 315760, 323654, 631520, 647308, 809135, 1263040, 1294616, 1618270, 2589232, 3236540, 5178464, 6473080, 10356928, 12946160, 25892320, 51784640]

約数ペア:

[(1, 51784640), (2, 25892320), (4, 12946160), (5, 10356928), (8, 6473080), (10, 5178464), (16, 3236540), (20, 2589232), (32, 1618270), (40, 1294616), (41, 1263040), (64, 809135), (80, 647308), (82, 631520), (160, 323654), (164, 315760), (205, 252608), (320, 161827), (328, 157880), (410, 126304), (656, 78940), (820, 63152), (1312, 39470), (1640, 31576), (2624, 19735), (3280, 15788), (3947, 13120), (6560, 7894)]