8740040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12853}}^1$

素因数の和:12881

約数の個数: 32

約数和(自身を含む): 20823480

約数和(自身を除く): 12083440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 12853, 25706, 51412, 64265, 102824, 128530, 218501, 257060, 437002, 514120, 874004, 1092505, 1748008, 2185010, 4370020, 8740040]

約数ペア:

[(1, 8740040), (2, 4370020), (4, 2185010), (5, 1748008), (8, 1092505), (10, 874004), (17, 514120), (20, 437002), (34, 257060), (40, 218501), (68, 128530), (85, 102824), (136, 64265), (170, 51412), (340, 25706), (680, 12853)]