1330334920

素因数分解:

$2^3\times 5^1\times {\mathrm{6661}}^1\times {\mathrm{4993}}^1$

素因数の和:11665

約数の個数: 32

約数和(自身を含む): 2994302520

約数和(自身を除く): 1663967600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4993, 6661, 9986, 13322, 19972, 24965, 26644, 33305, 39944, 49930, 53288, 66610, 99860, 133220, 199720, 266440, 33258373, 66516746, 133033492, 166291865, 266066984, 332583730, 665167460, 1330334920]

約数ペア:

[(1, 1330334920), (2, 665167460), (4, 332583730), (5, 266066984), (8, 166291865), (10, 133033492), (20, 66516746), (40, 33258373), (4993, 266440), (6661, 199720), (9986, 133220), (13322, 99860), (19972, 66610), (24965, 53288), (26644, 49930), (33305, 39944)]