3139720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1481}}^1$

素因数の和:1545

約数の個数: 32

約数和(自身を含む): 7202520

約数和(自身を除く): 4062800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 1481, 2120, 2962, 5924, 7405, 11848, 14810, 29620, 59240, 78493, 156986, 313972, 392465, 627944, 784930, 1569860, 3139720]

約数ペア:

[(1, 3139720), (2, 1569860), (4, 784930), (5, 627944), (8, 392465), (10, 313972), (20, 156986), (40, 78493), (53, 59240), (106, 29620), (212, 14810), (265, 11848), (424, 7405), (530, 5924), (1060, 2962), (1481, 2120)]