12995480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{659}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 32076000

約数和(自身を除く): 19080520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 659, 680, 986, 1160, 1318, 1972, 2465, 2636, 3295, 3944, 4930, 5272, 6590, 9860, 11203, 13180, 19111, 19720, 22406, 26360, 38222, 44812, 56015, 76444, 89624, 95555, 112030, 152888, 191110, 224060, 324887, 382220, 448120, 649774, 764440, 1299548, 1624435, 2599096, 3248870, 6497740, 12995480]

約数ペア:

[(1, 12995480), (2, 6497740), (4, 3248870), (5, 2599096), (8, 1624435), (10, 1299548), (17, 764440), (20, 649774), (29, 448120), (34, 382220), (40, 324887), (58, 224060), (68, 191110), (85, 152888), (116, 112030), (136, 95555), (145, 89624), (170, 76444), (232, 56015), (290, 44812), (340, 38222), (493, 26360), (580, 22406), (659, 19720), (680, 19111), (986, 13180), (1160, 11203), (1318, 9860), (1972, 6590), (2465, 5272), (2636, 4930), (3295, 3944)]