31839980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2531}}^1$

素因数の和:2594

約数の個数: 48

約数和(自身を含む): 72739296

約数和(自身を除く): 40899316

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 2516, 2531, 3145, 5062, 6290, 10124, 12580, 12655, 25310, 43027, 50620, 86054, 93647, 172108, 187294, 215135, 374588, 430270, 468235, 860540, 936470, 1591999, 1872940, 3183998, 6367996, 7959995, 15919990, 31839980]

約数ペア:

[(1, 31839980), (2, 15919990), (4, 7959995), (5, 6367996), (10, 3183998), (17, 1872940), (20, 1591999), (34, 936470), (37, 860540), (68, 468235), (74, 430270), (85, 374588), (148, 215135), (170, 187294), (185, 172108), (340, 93647), (370, 86054), (629, 50620), (740, 43027), (1258, 25310), (2516, 12655), (2531, 12580), (3145, 10124), (5062, 6290)]