2009376440

素因数分解:

$2^3\times 5^1\times {\mathrm{3659}}^1\times {\mathrm{13729}}^1$

素因数の和:17399

約数の個数: 32

約数和(自身を含む): 4522662000

約数和(自身を除く): 2513285560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3659, 7318, 13729, 14636, 18295, 27458, 29272, 36590, 54916, 68645, 73180, 109832, 137290, 146360, 274580, 549160, 50234411, 100468822, 200937644, 251172055, 401875288, 502344110, 1004688220, 2009376440]

約数ペア:

[(1, 2009376440), (2, 1004688220), (4, 502344110), (5, 401875288), (8, 251172055), (10, 200937644), (20, 100468822), (40, 50234411), (3659, 549160), (7318, 274580), (13729, 146360), (14636, 137290), (18295, 109832), (27458, 73180), (29272, 68645), (36590, 54916)]