2013190180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{7817}}^1$

素因数の和:8068

約数の個数: 48

約数和(自身を含む): 4308030720

約数和(自身を除く): 2294840540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 163, 316, 326, 395, 652, 790, 815, 1580, 1630, 3260, 7817, 12877, 15634, 25754, 31268, 39085, 51508, 64385, 78170, 128770, 156340, 257540, 617543, 1235086, 1274171, 2470172, 2548342, 3087715, 5096684, 6175430, 6370855, 12350860, 12741710, 25483420, 100659509, 201319018, 402638036, 503297545, 1006595090, 2013190180]

約数ペア:

[(1, 2013190180), (2, 1006595090), (4, 503297545), (5, 402638036), (10, 201319018), (20, 100659509), (79, 25483420), (158, 12741710), (163, 12350860), (316, 6370855), (326, 6175430), (395, 5096684), (652, 3087715), (790, 2548342), (815, 2470172), (1580, 1274171), (1630, 1235086), (3260, 617543), (7817, 257540), (12877, 156340), (15634, 128770), (25754, 78170), (31268, 64385), (39085, 51508)]