80453890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{17839}}^1$

素因数の和:17898

約数の個数: 32

約数和(自身を含む): 161844480

約数和(自身を除く): 81390590

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 17839, 35678, 89195, 178390, 196229, 392458, 731399, 981145, 1462798, 1962290, 3656995, 7313990, 8045389, 16090778, 40226945, 80453890]

約数ペア:

[(1, 80453890), (2, 40226945), (5, 16090778), (10, 8045389), (11, 7313990), (22, 3656995), (41, 1962290), (55, 1462798), (82, 981145), (110, 731399), (205, 392458), (410, 196229), (451, 178390), (902, 89195), (2255, 35678), (4510, 17839)]