8346440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 19906560

約数和(自身を除く): 11560120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 127, 155, 212, 248, 254, 265, 310, 424, 508, 530, 620, 635, 1016, 1060, 1240, 1270, 1643, 2120, 2540, 3286, 3937, 5080, 6572, 6731, 7874, 8215, 13144, 13462, 15748, 16430, 19685, 26924, 31496, 32860, 33655, 39370, 53848, 65720, 67310, 78740, 134620, 157480, 208661, 269240, 417322, 834644, 1043305, 1669288, 2086610, 4173220, 8346440]

約数ペア:

[(1, 8346440), (2, 4173220), (4, 2086610), (5, 1669288), (8, 1043305), (10, 834644), (20, 417322), (31, 269240), (40, 208661), (53, 157480), (62, 134620), (106, 78740), (124, 67310), (127, 65720), (155, 53848), (212, 39370), (248, 33655), (254, 32860), (265, 31496), (310, 26924), (424, 19685), (508, 16430), (530, 15748), (620, 13462), (635, 13144), (1016, 8215), (1060, 7874), (1240, 6731), (1270, 6572), (1643, 5080), (2120, 3937), (2540, 3286)]