80324920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1367}}^1$

素因数の和:1504

約数の個数: 64

約数和(自身を含む): 196499520

約数和(自身を除く): 116174600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 113, 130, 226, 260, 452, 520, 565, 904, 1130, 1367, 1469, 2260, 2734, 2938, 4520, 5468, 5876, 6835, 7345, 10936, 11752, 13670, 14690, 17771, 27340, 29380, 35542, 54680, 58760, 71084, 88855, 142168, 154471, 177710, 308942, 355420, 617884, 710840, 772355, 1235768, 1544710, 2008123, 3089420, 4016246, 6178840, 8032492, 10040615, 16064984, 20081230, 40162460, 80324920]

約数ペア:

[(1, 80324920), (2, 40162460), (4, 20081230), (5, 16064984), (8, 10040615), (10, 8032492), (13, 6178840), (20, 4016246), (26, 3089420), (40, 2008123), (52, 1544710), (65, 1235768), (104, 772355), (113, 710840), (130, 617884), (226, 355420), (260, 308942), (452, 177710), (520, 154471), (565, 142168), (904, 88855), (1130, 71084), (1367, 58760), (1469, 54680), (2260, 35542), (2734, 29380), (2938, 27340), (4520, 17771), (5468, 14690), (5876, 13670), (6835, 11752), (7345, 10936)]