8851780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2749}}^1$

素因数の和:2788

約数の個数: 48

約数和(自身を含む): 22176000

約数和(自身を除く): 13324220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 2749, 3220, 5498, 10996, 13745, 19243, 27490, 38486, 54980, 63227, 76972, 96215, 126454, 192430, 252908, 316135, 384860, 442589, 632270, 885178, 1264540, 1770356, 2212945, 4425890, 8851780]

約数ペア:

[(1, 8851780), (2, 4425890), (4, 2212945), (5, 1770356), (7, 1264540), (10, 885178), (14, 632270), (20, 442589), (23, 384860), (28, 316135), (35, 252908), (46, 192430), (70, 126454), (92, 96215), (115, 76972), (140, 63227), (161, 54980), (230, 38486), (322, 27490), (460, 19243), (644, 13745), (805, 10996), (1610, 5498), (2749, 3220)]