27993940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1607}}^1$

素因数の和:1696

約数の個数: 48

約数和(自身を含む): 64294272

約数和(自身を除く): 36300332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1607, 1742, 3214, 3484, 4355, 6428, 8035, 8710, 16070, 17420, 20891, 32140, 41782, 83564, 104455, 107669, 208910, 215338, 417820, 430676, 538345, 1076690, 1399697, 2153380, 2799394, 5598788, 6998485, 13996970, 27993940]

約数ペア:

[(1, 27993940), (2, 13996970), (4, 6998485), (5, 5598788), (10, 2799394), (13, 2153380), (20, 1399697), (26, 1076690), (52, 538345), (65, 430676), (67, 417820), (130, 215338), (134, 208910), (260, 107669), (268, 104455), (335, 83564), (670, 41782), (871, 32140), (1340, 20891), (1607, 17420), (1742, 16070), (3214, 8710), (3484, 8035), (4355, 6428)]