951654920

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{35993}}^1$

素因数の和:36665

約数の個数: 32

約数和(自身を含む): 2144522520

約数和(自身を除く): 1192867600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2644, 3305, 5288, 6610, 13220, 26440, 35993, 71986, 143972, 179965, 287944, 359930, 719860, 1439720, 23791373, 47582746, 95165492, 118956865, 190330984, 237913730, 475827460, 951654920]

約数ペア:

[(1, 951654920), (2, 475827460), (4, 237913730), (5, 190330984), (8, 118956865), (10, 95165492), (20, 47582746), (40, 23791373), (661, 1439720), (1322, 719860), (2644, 359930), (3305, 287944), (5288, 179965), (6610, 143972), (13220, 71986), (26440, 35993)]