20174152040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{402517}}^1$

素因数の和:402714

約数の個数: 64

約数和(自身を含む): 52166332800

約数和(自身を除く): 31992180760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 179, 280, 358, 716, 895, 1253, 1432, 1790, 2506, 3580, 5012, 6265, 7160, 10024, 12530, 25060, 50120, 402517, 805034, 1610068, 2012585, 2817619, 3220136, 4025170, 5635238, 8050340, 11270476, 14088095, 16100680, 22540952, 28176190, 56352380, 72050543, 112704760, 144101086, 288202172, 360252715, 504353801, 576404344, 720505430, 1008707602, 1441010860, 2017415204, 2521769005, 2882021720, 4034830408, 5043538010, 10087076020, 20174152040]

約数ペア:

[(1, 20174152040), (2, 10087076020), (4, 5043538010), (5, 4034830408), (7, 2882021720), (8, 2521769005), (10, 2017415204), (14, 1441010860), (20, 1008707602), (28, 720505430), (35, 576404344), (40, 504353801), (56, 360252715), (70, 288202172), (140, 144101086), (179, 112704760), (280, 72050543), (358, 56352380), (716, 28176190), (895, 22540952), (1253, 16100680), (1432, 14088095), (1790, 11270476), (2506, 8050340), (3580, 5635238), (5012, 4025170), (6265, 3220136), (7160, 2817619), (10024, 2012585), (12530, 1610068), (25060, 805034), (50120, 402517)]