12002780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 26671680

約数和(自身を除く): 14668900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 97, 115, 194, 230, 269, 388, 460, 485, 538, 970, 1076, 1345, 1940, 2231, 2690, 4462, 5380, 6187, 8924, 11155, 12374, 22310, 24748, 26093, 30935, 44620, 52186, 61870, 104372, 123740, 130465, 260930, 521860, 600139, 1200278, 2400556, 3000695, 6001390, 12002780]

約数ペア:

[(1, 12002780), (2, 6001390), (4, 3000695), (5, 2400556), (10, 1200278), (20, 600139), (23, 521860), (46, 260930), (92, 130465), (97, 123740), (115, 104372), (194, 61870), (230, 52186), (269, 44620), (388, 30935), (460, 26093), (485, 24748), (538, 22310), (970, 12374), (1076, 11155), (1345, 8924), (1940, 6187), (2231, 5380), (2690, 4462)]