2679220

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1229}}^1$

素因数の和:1347

約数の個数: 24

約数和(自身を含む): 5682600

約数和(自身を除く): 3003380

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 1229, 2180, 2458, 4916, 6145, 12290, 24580, 133961, 267922, 535844, 669805, 1339610, 2679220]

約数ペア:

[(1, 2679220), (2, 1339610), (4, 669805), (5, 535844), (10, 267922), (20, 133961), (109, 24580), (218, 12290), (436, 6145), (545, 4916), (1090, 2458), (1229, 2180)]