1245394580

素因数分解:

$2^2\times 5^1\times {\mathrm{5419}}^1\times {\mathrm{11491}}^1$

素因数の和:16919

約数の個数: 24

約数和(自身を含む): 2616038880

約数和(自身を除く): 1370644300

約数列:

[1, 2, 4, 5, 10, 20, 5419, 10838, 11491, 21676, 22982, 27095, 45964, 54190, 57455, 108380, 114910, 229820, 62269729, 124539458, 249078916, 311348645, 622697290, 1245394580]

約数ペア:

[(1, 1245394580), (2, 622697290), (4, 311348645), (5, 249078916), (10, 124539458), (20, 62269729), (5419, 229820), (10838, 114910), (11491, 108380), (21676, 57455), (22982, 54190), (27095, 45964)]