2011015640

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1\times {\mathrm{1237}}^1$

素因数の和:1764

約数の個数: 64

約数和(自身を含む): 4586047200

約数和(自身を除く): 2575031560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 419, 485, 776, 838, 970, 1237, 1676, 1940, 2095, 2474, 3352, 3880, 4190, 4948, 6185, 8380, 9896, 12370, 16760, 24740, 40643, 49480, 81286, 119989, 162572, 203215, 239978, 325144, 406430, 479956, 518303, 599945, 812860, 959912, 1036606, 1199890, 1625720, 2073212, 2399780, 2591515, 4146424, 4799560, 5183030, 10366060, 20732120, 50275391, 100550782, 201101564, 251376955, 402203128, 502753910, 1005507820, 2011015640]

約数ペア:

[(1, 2011015640), (2, 1005507820), (4, 502753910), (5, 402203128), (8, 251376955), (10, 201101564), (20, 100550782), (40, 50275391), (97, 20732120), (194, 10366060), (388, 5183030), (419, 4799560), (485, 4146424), (776, 2591515), (838, 2399780), (970, 2073212), (1237, 1625720), (1676, 1199890), (1940, 1036606), (2095, 959912), (2474, 812860), (3352, 599945), (3880, 518303), (4190, 479956), (4948, 406430), (6185, 325144), (8380, 239978), (9896, 203215), (12370, 162572), (16760, 119989), (24740, 81286), (40643, 49480)]