7328840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3457}}^1$

素因数の和:3521

約数の個数: 32

約数和(自身を含む): 16805880

約数和(自身を除く): 9477040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 3457, 6914, 13828, 17285, 27656, 34570, 69140, 138280, 183221, 366442, 732884, 916105, 1465768, 1832210, 3664420, 7328840]

約数ペア:

[(1, 7328840), (2, 3664420), (4, 1832210), (5, 1465768), (8, 916105), (10, 732884), (20, 366442), (40, 183221), (53, 138280), (106, 69140), (212, 34570), (265, 27656), (424, 17285), (530, 13828), (1060, 6914), (2120, 3457)]