40251040

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1277}}^1$

素因数の和:1489

約数の個数: 48

約数和(自身を含む): 95650632

約数和(自身を除く): 55399592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1277, 1576, 1970, 2554, 3152, 3940, 5108, 6304, 6385, 7880, 10216, 12770, 15760, 20432, 25540, 31520, 40864, 51080, 102160, 204320, 251569, 503138, 1006276, 1257845, 2012552, 2515690, 4025104, 5031380, 8050208, 10062760, 20125520, 40251040]

約数ペア:

[(1, 40251040), (2, 20125520), (4, 10062760), (5, 8050208), (8, 5031380), (10, 4025104), (16, 2515690), (20, 2012552), (32, 1257845), (40, 1006276), (80, 503138), (160, 251569), (197, 204320), (394, 102160), (788, 51080), (985, 40864), (1277, 31520), (1576, 25540), (1970, 20432), (2554, 15760), (3152, 12770), (3940, 10216), (5108, 7880), (6304, 6385)]