858631540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{19541}}^1$

素因数の和:19589

約数の個数: 48

約数和(自身を含む): 1953418320

約数和(自身を除く): 1094786780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2197, 3380, 4394, 8788, 10985, 19541, 21970, 39082, 43940, 78164, 97705, 195410, 254033, 390820, 508066, 1016132, 1270165, 2540330, 3302429, 5080660, 6604858, 13209716, 16512145, 33024290, 42931577, 66048580, 85863154, 171726308, 214657885, 429315770, 858631540]

約数ペア:

[(1, 858631540), (2, 429315770), (4, 214657885), (5, 171726308), (10, 85863154), (13, 66048580), (20, 42931577), (26, 33024290), (52, 16512145), (65, 13209716), (130, 6604858), (169, 5080660), (260, 3302429), (338, 2540330), (676, 1270165), (845, 1016132), (1690, 508066), (2197, 390820), (3380, 254033), (4394, 195410), (8788, 97705), (10985, 78164), (19541, 43940), (21970, 39082)]