54343880

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2767}}^1$

素因数の和:3269

約数の個数: 32

約数和(自身を含む): 122567040

約数和(自身を除く): 68223160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 2767, 3928, 4910, 5534, 9820, 11068, 13835, 19640, 22136, 27670, 55340, 110680, 1358597, 2717194, 5434388, 6792985, 10868776, 13585970, 27171940, 54343880]

約数ペア:

[(1, 54343880), (2, 27171940), (4, 13585970), (5, 10868776), (8, 6792985), (10, 5434388), (20, 2717194), (40, 1358597), (491, 110680), (982, 55340), (1964, 27670), (2455, 22136), (2767, 19640), (3928, 13835), (4910, 11068), (5534, 9820)]