20131989160

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2207}}^1\times {\mathrm{2351}}^1$

素因数の和:4666

約数の個数: 64

約数和(自身を含む): 45804165120

約数和(自身を除く): 25672175960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 2207, 2351, 3880, 4414, 4702, 8828, 9404, 11035, 11755, 17656, 18808, 22070, 23510, 44140, 47020, 88280, 94040, 214079, 228047, 428158, 456094, 856316, 912188, 1070395, 1140235, 1712632, 1824376, 2140790, 2280470, 4281580, 4560940, 5188657, 8563160, 9121880, 10377314, 20754628, 25943285, 41509256, 51886570, 103773140, 207546280, 503299729, 1006599458, 2013198916, 2516498645, 4026397832, 5032997290, 10065994580, 20131989160]

約数ペア:

[(1, 20131989160), (2, 10065994580), (4, 5032997290), (5, 4026397832), (8, 2516498645), (10, 2013198916), (20, 1006599458), (40, 503299729), (97, 207546280), (194, 103773140), (388, 51886570), (485, 41509256), (776, 25943285), (970, 20754628), (1940, 10377314), (2207, 9121880), (2351, 8563160), (3880, 5188657), (4414, 4560940), (4702, 4281580), (8828, 2280470), (9404, 2140790), (11035, 1824376), (11755, 1712632), (17656, 1140235), (18808, 1070395), (22070, 912188), (23510, 856316), (44140, 456094), (47020, 428158), (88280, 228047), (94040, 214079)]