2011121120

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{661553}}^1$

素因数の和:661587

約数の個数: 48

約数和(自身を含む): 5001348240

約数和(自身を除く): 2990227120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 661553, 1323106, 2646212, 3307765, 5292424, 6615530, 10584848, 12569507, 13231060, 21169696, 25139014, 26462120, 50278028, 52924240, 62847535, 100556056, 105848480, 125695070, 201112112, 251390140, 402224224, 502780280, 1005560560, 2011121120]

約数ペア:

[(1, 2011121120), (2, 1005560560), (4, 502780280), (5, 402224224), (8, 251390140), (10, 201112112), (16, 125695070), (19, 105848480), (20, 100556056), (32, 62847535), (38, 52924240), (40, 50278028), (76, 26462120), (80, 25139014), (95, 21169696), (152, 13231060), (160, 12569507), (190, 10584848), (304, 6615530), (380, 5292424), (608, 3307765), (760, 2646212), (1520, 1323106), (3040, 661553)]