68668640

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2633}}^1$

素因数の和:2811

約数の個数: 48

約数和(自身を含む): 163286928

約数和(自身を除く): 94618288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1630, 2608, 2633, 3260, 5216, 5266, 6520, 10532, 13040, 13165, 21064, 26080, 26330, 42128, 52660, 84256, 105320, 210640, 421280, 429179, 858358, 1716716, 2145895, 3433432, 4291790, 6866864, 8583580, 13733728, 17167160, 34334320, 68668640]

約数ペア:

[(1, 68668640), (2, 34334320), (4, 17167160), (5, 13733728), (8, 8583580), (10, 6866864), (16, 4291790), (20, 3433432), (32, 2145895), (40, 1716716), (80, 858358), (160, 429179), (163, 421280), (326, 210640), (652, 105320), (815, 84256), (1304, 52660), (1630, 42128), (2608, 26330), (2633, 26080), (3260, 21064), (5216, 13165), (5266, 13040), (6520, 10532)]