841640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 1934280

約数和(自身を除く): 1092640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 397, 424, 530, 794, 1060, 1588, 1985, 2120, 3176, 3970, 7940, 15880, 21041, 42082, 84164, 105205, 168328, 210410, 420820, 841640]

約数ペア:

[(1, 841640), (2, 420820), (4, 210410), (5, 168328), (8, 105205), (10, 84164), (20, 42082), (40, 21041), (53, 15880), (106, 7940), (212, 3970), (265, 3176), (397, 2120), (424, 1985), (530, 1588), (794, 1060)]