8195240

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{971}}^1$

素因数の和:1193

約数の個数: 32

約数和(自身を含む): 18545760

約数和(自身を除く): 10350520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 971, 1055, 1688, 1942, 2110, 3884, 4220, 4855, 7768, 8440, 9710, 19420, 38840, 204881, 409762, 819524, 1024405, 1639048, 2048810, 4097620, 8195240]

約数ペア:

[(1, 8195240), (2, 4097620), (4, 2048810), (5, 1639048), (8, 1024405), (10, 819524), (20, 409762), (40, 204881), (211, 38840), (422, 19420), (844, 9710), (971, 8440), (1055, 7768), (1688, 4855), (1942, 4220), (2110, 3884)]