40738640

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2113}}^1$

素因数の和:2367

約数の個数: 40

約数和(自身を含む): 95155368

約数和(自身を除く): 54416728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1928, 2113, 2410, 3856, 4226, 4820, 8452, 9640, 10565, 16904, 19280, 21130, 33808, 42260, 84520, 169040, 509233, 1018466, 2036932, 2546165, 4073864, 5092330, 8147728, 10184660, 20369320, 40738640]

約数ペア:

[(1, 40738640), (2, 20369320), (4, 10184660), (5, 8147728), (8, 5092330), (10, 4073864), (16, 2546165), (20, 2036932), (40, 1018466), (80, 509233), (241, 169040), (482, 84520), (964, 42260), (1205, 33808), (1928, 21130), (2113, 19280), (2410, 16904), (3856, 10565), (4226, 9640), (4820, 8452)]