19604142640

素因数分解:

$2^4\times 5^1\times {\mathrm{2351}}^1\times {\mathrm{104233}}^1$

素因数の和:106597

約数の個数: 40

約数和(自身を含む): 45599456448

約数和(自身を除く): 25995313808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2351, 4702, 9404, 11755, 18808, 23510, 37616, 47020, 94040, 104233, 188080, 208466, 416932, 521165, 833864, 1042330, 1667728, 2084660, 4169320, 8338640, 245051783, 490103566, 980207132, 1225258915, 1960414264, 2450517830, 3920828528, 4901035660, 9802071320, 19604142640]

約数ペア:

[(1, 19604142640), (2, 9802071320), (4, 4901035660), (5, 3920828528), (8, 2450517830), (10, 1960414264), (16, 1225258915), (20, 980207132), (40, 490103566), (80, 245051783), (2351, 8338640), (4702, 4169320), (9404, 2084660), (11755, 1667728), (18808, 1042330), (23510, 833864), (37616, 521165), (47020, 416932), (94040, 208466), (104233, 188080)]