8049386440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{166723}}^1$

素因数の和:166822

約数の個数: 64

約数和(自身を含む): 19446687360

約数和(自身を除く): 11397300920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 284, 340, 355, 568, 680, 710, 1207, 1420, 2414, 2840, 4828, 6035, 9656, 12070, 24140, 48280, 166723, 333446, 666892, 833615, 1333784, 1667230, 2834291, 3334460, 5668582, 6668920, 11337164, 11837333, 14171455, 22674328, 23674666, 28342910, 47349332, 56685820, 59186665, 94698664, 113371640, 118373330, 201234661, 236746660, 402469322, 473493320, 804938644, 1006173305, 1609877288, 2012346610, 4024693220, 8049386440]

約数ペア:

[(1, 8049386440), (2, 4024693220), (4, 2012346610), (5, 1609877288), (8, 1006173305), (10, 804938644), (17, 473493320), (20, 402469322), (34, 236746660), (40, 201234661), (68, 118373330), (71, 113371640), (85, 94698664), (136, 59186665), (142, 56685820), (170, 47349332), (284, 28342910), (340, 23674666), (355, 22674328), (568, 14171455), (680, 11837333), (710, 11337164), (1207, 6668920), (1420, 5668582), (2414, 3334460), (2840, 2834291), (4828, 1667230), (6035, 1333784), (9656, 833615), (12070, 666892), (24140, 333446), (48280, 166723)]