68356840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{41681}}^1$

素因数の和:41733

約数の個数: 32

約数和(自身を含む): 157557960

約数和(自身を除く): 89201120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 41681, 83362, 166724, 208405, 333448, 416810, 833620, 1667240, 1708921, 3417842, 6835684, 8544605, 13671368, 17089210, 34178420, 68356840]

約数ペア:

[(1, 68356840), (2, 34178420), (4, 17089210), (5, 13671368), (8, 8544605), (10, 6835684), (20, 3417842), (40, 1708921), (41, 1667240), (82, 833620), (164, 416810), (205, 333448), (328, 208405), (410, 166724), (820, 83362), (1640, 41681)]