40418672

素因数分解:

$2^4\times 7^1\times {\mathrm{509}}^1\times {\mathrm{709}}^1$

素因数の和:1233

約数の個数: 40

約数和(自身を含む): 89800800

約数和(自身を除く): 49382128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 509, 709, 1018, 1418, 2036, 2836, 3563, 4072, 4963, 5672, 7126, 8144, 9926, 11344, 14252, 19852, 28504, 39704, 57008, 79408, 360881, 721762, 1443524, 2526167, 2887048, 5052334, 5774096, 10104668, 20209336, 40418672]

約数ペア:

[(1, 40418672), (2, 20209336), (4, 10104668), (7, 5774096), (8, 5052334), (14, 2887048), (16, 2526167), (28, 1443524), (56, 721762), (112, 360881), (509, 79408), (709, 57008), (1018, 39704), (1418, 28504), (2036, 19852), (2836, 14252), (3563, 11344), (4072, 9926), (4963, 8144), (5672, 7126)]