51686120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2621}}^1$

素因数の和:2678

約数の個数: 64

約数和(自身を含む): 127429200

約数和(自身を除く): 75743080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 986, 1160, 1972, 2465, 2621, 3944, 4930, 5242, 9860, 10484, 13105, 19720, 20968, 26210, 44557, 52420, 76009, 89114, 104840, 152018, 178228, 222785, 304036, 356456, 380045, 445570, 608072, 760090, 891140, 1292153, 1520180, 1782280, 2584306, 3040360, 5168612, 6460765, 10337224, 12921530, 25843060, 51686120]

約数ペア:

[(1, 51686120), (2, 25843060), (4, 12921530), (5, 10337224), (8, 6460765), (10, 5168612), (17, 3040360), (20, 2584306), (29, 1782280), (34, 1520180), (40, 1292153), (58, 891140), (68, 760090), (85, 608072), (116, 445570), (136, 380045), (145, 356456), (170, 304036), (232, 222785), (290, 178228), (340, 152018), (493, 104840), (580, 89114), (680, 76009), (986, 52420), (1160, 44557), (1972, 26210), (2465, 20968), (2621, 19720), (3944, 13105), (4930, 10484), (5242, 9860)]