84130040

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{21683}}^1$

素因数の和:21791

約数の個数: 32

約数和(自身を含む): 191252880

約数和(自身を除く): 107122840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 21683, 43366, 86732, 108415, 173464, 216830, 433660, 867320, 2103251, 4206502, 8413004, 10516255, 16826008, 21032510, 42065020, 84130040]

約数ペア:

[(1, 84130040), (2, 42065020), (4, 21032510), (5, 16826008), (8, 10516255), (10, 8413004), (20, 4206502), (40, 2103251), (97, 867320), (194, 433660), (388, 216830), (485, 173464), (776, 108415), (970, 86732), (1940, 43366), (3880, 21683)]