42528680

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^2\times {\mathrm{113}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 97541820

約数和(自身を除く): 55013140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 113, 194, 226, 388, 452, 485, 565, 776, 904, 970, 1130, 1940, 2260, 3880, 4520, 9409, 10961, 18818, 21922, 37636, 43844, 47045, 54805, 75272, 87688, 94090, 109610, 188180, 219220, 376360, 438440, 1063217, 2126434, 4252868, 5316085, 8505736, 10632170, 21264340, 42528680]

約数ペア:

[(1, 42528680), (2, 21264340), (4, 10632170), (5, 8505736), (8, 5316085), (10, 4252868), (20, 2126434), (40, 1063217), (97, 438440), (113, 376360), (194, 219220), (226, 188180), (388, 109610), (452, 94090), (485, 87688), (565, 75272), (776, 54805), (904, 47045), (970, 43844), (1130, 37636), (1940, 21922), (2260, 18818), (3880, 10961), (4520, 9409)]