11721320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{22541}}^1$

素因数の和:22565

約数の個数: 32

約数和(自身を含む): 28402920

約数和(自身を除く): 16681600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 22541, 45082, 90164, 112705, 180328, 225410, 293033, 450820, 586066, 901640, 1172132, 1465165, 2344264, 2930330, 5860660, 11721320]

約数ペア:

[(1, 11721320), (2, 5860660), (4, 2930330), (5, 2344264), (8, 1465165), (10, 1172132), (13, 901640), (20, 586066), (26, 450820), (40, 293033), (52, 225410), (65, 180328), (104, 112705), (130, 90164), (260, 45082), (520, 22541)]