3131920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3559}}^1$

素因数の和:3583

約数の個数: 40

約数和(自身を含む): 7945920

約数和(自身を除く): 4814000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 3559, 7118, 14236, 17795, 28472, 35590, 39149, 56944, 71180, 78298, 142360, 156596, 195745, 284720, 313192, 391490, 626384, 782980, 1565960, 3131920]

約数ペア:

[(1, 3131920), (2, 1565960), (4, 782980), (5, 626384), (8, 391490), (10, 313192), (11, 284720), (16, 195745), (20, 156596), (22, 142360), (40, 78298), (44, 71180), (55, 56944), (80, 39149), (88, 35590), (110, 28472), (176, 17795), (220, 14236), (440, 7118), (880, 3559)]