4259720

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{977}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 9682200

約数和(自身を除く): 5422480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 977, 1090, 1954, 2180, 3908, 4360, 4885, 7816, 9770, 19540, 39080, 106493, 212986, 425972, 532465, 851944, 1064930, 2129860, 4259720]

約数ペア:

[(1, 4259720), (2, 2129860), (4, 1064930), (5, 851944), (8, 532465), (10, 425972), (20, 212986), (40, 106493), (109, 39080), (218, 19540), (436, 9770), (545, 7816), (872, 4885), (977, 4360), (1090, 3908), (1954, 2180)]