2019935480

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{50957}}^1$

素因数の和:51959

約数の個数: 32

約数和(自身を含む): 4549530240

約数和(自身を除く): 2529594760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1982, 3964, 4955, 7928, 9910, 19820, 39640, 50957, 101914, 203828, 254785, 407656, 509570, 1019140, 2038280, 50498387, 100996774, 201993548, 252491935, 403987096, 504983870, 1009967740, 2019935480]

約数ペア:

[(1, 2019935480), (2, 1009967740), (4, 504983870), (5, 403987096), (8, 252491935), (10, 201993548), (20, 100996774), (40, 50498387), (991, 2038280), (1982, 1019140), (3964, 509570), (4955, 407656), (7928, 254785), (9910, 203828), (19820, 101914), (39640, 50957)]