82108040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2309}}^1$

素因数の和:2454

約数の個数: 64

約数和(自身を含む): 212889600

約数和(自身を除く): 130781560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 635, 889, 1016, 1270, 1778, 2309, 2540, 3556, 4445, 4618, 5080, 7112, 8890, 9236, 11545, 16163, 17780, 18472, 23090, 32326, 35560, 46180, 64652, 80815, 92360, 129304, 161630, 293243, 323260, 586486, 646520, 1172972, 1466215, 2052701, 2345944, 2932430, 4105402, 5864860, 8210804, 10263505, 11729720, 16421608, 20527010, 41054020, 82108040]

約数ペア:

[(1, 82108040), (2, 41054020), (4, 20527010), (5, 16421608), (7, 11729720), (8, 10263505), (10, 8210804), (14, 5864860), (20, 4105402), (28, 2932430), (35, 2345944), (40, 2052701), (56, 1466215), (70, 1172972), (127, 646520), (140, 586486), (254, 323260), (280, 293243), (508, 161630), (635, 129304), (889, 92360), (1016, 80815), (1270, 64652), (1778, 46180), (2309, 35560), (2540, 32326), (3556, 23090), (4445, 18472), (4618, 17780), (5080, 16163), (7112, 11545), (8890, 9236)]