81566620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4567}}^1$

素因数の和:4642

約数の個数: 48

約数和(自身を含む): 184181760

約数和(自身を除く): 102615140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1786, 3572, 4465, 4567, 8930, 9134, 17860, 18268, 22835, 45670, 86773, 91340, 173546, 214649, 347092, 429298, 433865, 858596, 867730, 1073245, 1735460, 2146490, 4078331, 4292980, 8156662, 16313324, 20391655, 40783310, 81566620]

約数ペア:

[(1, 81566620), (2, 40783310), (4, 20391655), (5, 16313324), (10, 8156662), (19, 4292980), (20, 4078331), (38, 2146490), (47, 1735460), (76, 1073245), (94, 867730), (95, 858596), (188, 433865), (190, 429298), (235, 347092), (380, 214649), (470, 173546), (893, 91340), (940, 86773), (1786, 45670), (3572, 22835), (4465, 18268), (4567, 17860), (8930, 9134)]