2688438880

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{409823}}^1$

素因数の和:409879

約数の個数: 48

約数和(自身を含む): 6506365824

約数和(自身を除く): 3817926944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 409823, 819646, 1639292, 2049115, 3278584, 4098230, 6557168, 8196460, 13114336, 16392920, 16802743, 32785840, 33605486, 65571680, 67210972, 84013715, 134421944, 168027430, 268843888, 336054860, 537687776, 672109720, 1344219440, 2688438880]

約数ペア:

[(1, 2688438880), (2, 1344219440), (4, 672109720), (5, 537687776), (8, 336054860), (10, 268843888), (16, 168027430), (20, 134421944), (32, 84013715), (40, 67210972), (41, 65571680), (80, 33605486), (82, 32785840), (160, 16802743), (164, 16392920), (205, 13114336), (328, 8196460), (410, 6557168), (656, 4098230), (820, 3278584), (1312, 2049115), (1640, 1639292), (3280, 819646), (6560, 409823)]