2560129.00000000

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:511

約数の個数: 64

約数和(自身を含む): 139708800

約数和(自身を除く): 71784710

約数列:

[1, 2, 5, 10, 13, 26, 29, 43, 58, 65, 86, 130, 145, 215, 290, 377, 419, 430, 559, 754, 838, 1118, 1247, 1885, 2095, 2494, 2795, 3770, 4190, 5447, 5590, 6235, 10894, 12151, 12470, 16211, 18017, 24302, 27235, 32422, 36034, 54470, 60755, 81055, 90085, 121510, 157963, 162110, 180170, 234221, 315926, 468442, 522493, 789815, 1044986, 1171105, 1579630, 2342210, 2612465, 5224930, 6792409, 13584818, 33962045, 67924090]

約数ペア:

[(1, 67924090), (2, 33962045), (5, 13584818), (10, 6792409), (13, 5224930), (26, 2612465), (29, 2342210), (43, 1579630), (58, 1171105), (65, 1044986), (86, 789815), (130, 522493), (145, 468442), (215, 315926), (290, 234221), (377, 180170), (419, 162110), (430, 157963), (559, 121510), (754, 90085), (838, 81055), (1118, 60755), (1247, 54470), (1885, 36034), (2095, 32422), (2494, 27235), (2795, 24302), (3770, 18017), (4190, 16211), (5447, 12470), (5590, 12151), (6235, 10894)]