129822400

素因数分解:

$2^6\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1979}}^1$

素因数の和:2042

約数の個数: 84

約数和(自身を含む): 327400920

約数和(自身を除く): 197578520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 160, 164, 200, 205, 320, 328, 400, 410, 656, 800, 820, 1025, 1312, 1600, 1640, 1979, 2050, 2624, 3280, 3958, 4100, 6560, 7916, 8200, 9895, 13120, 15832, 16400, 19790, 31664, 32800, 39580, 49475, 63328, 65600, 79160, 81139, 98950, 126656, 158320, 162278, 197900, 316640, 324556, 395800, 405695, 633280, 649112, 791600, 811390, 1298224, 1583200, 1622780, 2028475, 2596448, 3166400, 3245560, 4056950, 5192896, 6491120, 8113900, 12982240, 16227800, 25964480, 32455600, 64911200, 129822400]

約数ペア:

[(1, 129822400), (2, 64911200), (4, 32455600), (5, 25964480), (8, 16227800), (10, 12982240), (16, 8113900), (20, 6491120), (25, 5192896), (32, 4056950), (40, 3245560), (41, 3166400), (50, 2596448), (64, 2028475), (80, 1622780), (82, 1583200), (100, 1298224), (160, 811390), (164, 791600), (200, 649112), (205, 633280), (320, 405695), (328, 395800), (400, 324556), (410, 316640), (656, 197900), (800, 162278), (820, 158320), (1025, 126656), (1312, 98950), (1600, 81139), (1640, 79160), (1979, 65600), (2050, 63328), (2624, 49475), (3280, 39580), (3958, 32800), (4100, 31664), (6560, 19790), (7916, 16400), (8200, 15832), (9895, 13120)]