1899804520

素因数分解:

$2^3\times 5^1\times {\mathrm{4099}}^1\times {\mathrm{11587}}^1$

素因数の和:15697

約数の個数: 32

約数和(自身を含む): 4275972000

約数和(自身を除く): 2376167480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4099, 8198, 11587, 16396, 20495, 23174, 32792, 40990, 46348, 57935, 81980, 92696, 115870, 163960, 231740, 463480, 47495113, 94990226, 189980452, 237475565, 379960904, 474951130, 949902260, 1899804520]

約数ペア:

[(1, 1899804520), (2, 949902260), (4, 474951130), (5, 379960904), (8, 237475565), (10, 189980452), (20, 94990226), (40, 47495113), (4099, 463480), (8198, 231740), (11587, 163960), (16396, 115870), (20495, 92696), (23174, 81980), (32792, 57935), (40990, 46348)]