55442840

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{13457}}^1$

素因数の和:13571

約数の個数: 32

約数和(自身を含む): 125966880

約数和(自身を除く): 70524040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 13457, 26914, 53828, 67285, 107656, 134570, 269140, 538280, 1386071, 2772142, 5544284, 6930355, 11088568, 13860710, 27721420, 55442840]

約数ペア:

[(1, 55442840), (2, 27721420), (4, 13860710), (5, 11088568), (8, 6930355), (10, 5544284), (20, 2772142), (40, 1386071), (103, 538280), (206, 269140), (412, 134570), (515, 107656), (824, 67285), (1030, 53828), (2060, 26914), (4120, 13457)]