9812140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2903}}^1$

素因数の和:2938

約数の個数: 36

約数和(自身を含む): 22320144

約数和(自身を除く): 12508004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2903, 3380, 5806, 11612, 14515, 29030, 37739, 58060, 75478, 150956, 188695, 377390, 490607, 754780, 981214, 1962428, 2453035, 4906070, 9812140]

約数ペア:

[(1, 9812140), (2, 4906070), (4, 2453035), (5, 1962428), (10, 981214), (13, 754780), (20, 490607), (26, 377390), (52, 188695), (65, 150956), (130, 75478), (169, 58060), (260, 37739), (338, 29030), (676, 14515), (845, 11612), (1690, 5806), (2903, 3380)]