71971840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{14057}}^1$

素因数の和:14082

約数の個数: 44

約数和(自身を含む): 172660356

約数和(自身を除く): 100688516

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 14057, 28114, 56228, 70285, 112456, 140570, 224912, 281140, 449824, 562280, 899648, 1124560, 1799296, 2249120, 3598592, 4498240, 7197184, 8996480, 14394368, 17992960, 35985920, 71971840]

約数ペア:

[(1, 71971840), (2, 35985920), (4, 17992960), (5, 14394368), (8, 8996480), (10, 7197184), (16, 4498240), (20, 3598592), (32, 2249120), (40, 1799296), (64, 1124560), (80, 899648), (128, 562280), (160, 449824), (256, 281140), (320, 224912), (512, 140570), (640, 112456), (1024, 70285), (1280, 56228), (2560, 28114), (5120, 14057)]