27131780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{433}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 61756464

約数和(自身を除く): 34624684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 241, 260, 433, 482, 866, 964, 1205, 1732, 2165, 2410, 3133, 4330, 4820, 5629, 6266, 8660, 11258, 12532, 15665, 22516, 28145, 31330, 56290, 62660, 104353, 112580, 208706, 417412, 521765, 1043530, 1356589, 2087060, 2713178, 5426356, 6782945, 13565890, 27131780]

約数ペア:

[(1, 27131780), (2, 13565890), (4, 6782945), (5, 5426356), (10, 2713178), (13, 2087060), (20, 1356589), (26, 1043530), (52, 521765), (65, 417412), (130, 208706), (241, 112580), (260, 104353), (433, 62660), (482, 56290), (866, 31330), (964, 28145), (1205, 22516), (1732, 15665), (2165, 12532), (2410, 11258), (3133, 8660), (4330, 6266), (4820, 5629)]