140635540

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{27361}}^1$

素因数の和:27627

約数の個数: 24

約数和(自身を含む): 296494632

約数和(自身を除く): 155859092

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 27361, 54722, 109444, 136805, 273610, 547220, 7031777, 14063554, 28127108, 35158885, 70317770, 140635540]

約数ペア:

[(1, 140635540), (2, 70317770), (4, 35158885), (5, 28127108), (10, 14063554), (20, 7031777), (257, 547220), (514, 273610), (1028, 136805), (1285, 109444), (2570, 54722), (5140, 27361)]