340654640

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{33529}}^1$

素因数の和:33669

約数の個数: 40

約数和(自身を含む): 798282240

約数和(自身を除く): 457627600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 33529, 67058, 134116, 167645, 268232, 335290, 536464, 670580, 1341160, 2682320, 4258183, 8516366, 17032732, 21290915, 34065464, 42581830, 68130928, 85163660, 170327320, 340654640]

約数ペア:

[(1, 340654640), (2, 170327320), (4, 85163660), (5, 68130928), (8, 42581830), (10, 34065464), (16, 21290915), (20, 17032732), (40, 8516366), (80, 4258183), (127, 2682320), (254, 1341160), (508, 670580), (635, 536464), (1016, 335290), (1270, 268232), (2032, 167645), (2540, 134116), (5080, 67058), (10160, 33529)]