191039920

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{18229}}^1$

素因数の和:18373

約数の個数: 40

約数和(自身を含む): 447582960

約数和(自身を除く): 256543040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 18229, 36458, 72916, 91145, 145832, 182290, 291664, 364580, 729160, 1458320, 2387999, 4775998, 9551996, 11939995, 19103992, 23879990, 38207984, 47759980, 95519960, 191039920]

約数ペア:

[(1, 191039920), (2, 95519960), (4, 47759980), (5, 38207984), (8, 23879990), (10, 19103992), (16, 11939995), (20, 9551996), (40, 4775998), (80, 2387999), (131, 1458320), (262, 729160), (524, 364580), (655, 291664), (1048, 182290), (1310, 145832), (2096, 91145), (2620, 72916), (5240, 36458), (10480, 18229)]