16381060

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 36288000

約数和(自身を除く): 19906940

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 149, 230, 239, 298, 460, 478, 596, 745, 956, 1195, 1490, 2390, 2980, 3427, 4780, 5497, 6854, 10994, 13708, 17135, 21988, 27485, 34270, 35611, 54970, 68540, 71222, 109940, 142444, 178055, 356110, 712220, 819053, 1638106, 3276212, 4095265, 8190530, 16381060]

約数ペア:

[(1, 16381060), (2, 8190530), (4, 4095265), (5, 3276212), (10, 1638106), (20, 819053), (23, 712220), (46, 356110), (92, 178055), (115, 142444), (149, 109940), (230, 71222), (239, 68540), (298, 54970), (460, 35611), (478, 34270), (596, 27485), (745, 21988), (956, 17135), (1195, 13708), (1490, 10994), (2390, 6854), (2980, 5497), (3427, 4780)]