54057680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16481}}^1$

素因数の和:16535

約数の個数: 40

約数和(自身を含む): 128757384

約数和(自身を除く): 74699704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 16481, 32962, 65924, 82405, 131848, 164810, 263696, 329620, 659240, 675721, 1318480, 1351442, 2702884, 3378605, 5405768, 6757210, 10811536, 13514420, 27028840, 54057680]

約数ペア:

[(1, 54057680), (2, 27028840), (4, 13514420), (5, 10811536), (8, 6757210), (10, 5405768), (16, 3378605), (20, 2702884), (40, 1351442), (41, 1318480), (80, 675721), (82, 659240), (164, 329620), (205, 263696), (328, 164810), (410, 131848), (656, 82405), (820, 65924), (1640, 32962), (3280, 16481)]