65423980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{30011}}^1$

素因数の和:30129

約数の個数: 24

約数和(自身を含む): 138655440

約数和(自身を除く): 73231460

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 30011, 60022, 120044, 150055, 300110, 600220, 3271199, 6542398, 13084796, 16355995, 32711990, 65423980]

約数ペア:

[(1, 65423980), (2, 32711990), (4, 16355995), (5, 13084796), (10, 6542398), (20, 3271199), (109, 600220), (218, 300110), (436, 150055), (545, 120044), (1090, 60022), (2180, 30011)]