67468640

素因数分解:

$2^5\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1031}}^1$

素因数の和:1455

約数の個数: 48

約数和(自身を含む): 159939360

約数和(自身を除く): 92470720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 409, 818, 1031, 1636, 2045, 2062, 3272, 4090, 4124, 5155, 6544, 8180, 8248, 10310, 13088, 16360, 16496, 20620, 32720, 32992, 41240, 65440, 82480, 164960, 421679, 843358, 1686716, 2108395, 3373432, 4216790, 6746864, 8433580, 13493728, 16867160, 33734320, 67468640]

約数ペア:

[(1, 67468640), (2, 33734320), (4, 16867160), (5, 13493728), (8, 8433580), (10, 6746864), (16, 4216790), (20, 3373432), (32, 2108395), (40, 1686716), (80, 843358), (160, 421679), (409, 164960), (818, 82480), (1031, 65440), (1636, 41240), (2045, 32992), (2062, 32720), (3272, 20620), (4090, 16496), (4124, 16360), (5155, 13088), (6544, 10310), (8180, 8248)]