40838560

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{5209}}^1$

素因数の和:5238

約数の個数: 72

約数和(自身を含む): 112254660

約数和(自身を除く): 71416100

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 5209, 7840, 10418, 20836, 26045, 36463, 41672, 52090, 72926, 83344, 104180, 145852, 166688, 182315, 208360, 255241, 291704, 364630, 416720, 510482, 583408, 729260, 833440, 1020964, 1166816, 1276205, 1458520, 2041928, 2552410, 2917040, 4083856, 5104820, 5834080, 8167712, 10209640, 20419280, 40838560]

約数ペア:

[(1, 40838560), (2, 20419280), (4, 10209640), (5, 8167712), (7, 5834080), (8, 5104820), (10, 4083856), (14, 2917040), (16, 2552410), (20, 2041928), (28, 1458520), (32, 1276205), (35, 1166816), (40, 1020964), (49, 833440), (56, 729260), (70, 583408), (80, 510482), (98, 416720), (112, 364630), (140, 291704), (160, 255241), (196, 208360), (224, 182315), (245, 166688), (280, 145852), (392, 104180), (490, 83344), (560, 72926), (784, 52090), (980, 41672), (1120, 36463), (1568, 26045), (1960, 20836), (3920, 10418), (5209, 7840)]