40187972

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1931}}^1$

素因数の和:2000

約数の個数: 36

約数和(自身を含む): 79142448

約数和(自身を除く): 38954476

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 121, 172, 242, 473, 484, 946, 1892, 1931, 3862, 5203, 7724, 10406, 20812, 21241, 42482, 83033, 84964, 166066, 233651, 332132, 467302, 913363, 934604, 1826726, 3653452, 10046993, 20093986, 40187972]

約数ペア:

[(1, 40187972), (2, 20093986), (4, 10046993), (11, 3653452), (22, 1826726), (43, 934604), (44, 913363), (86, 467302), (121, 332132), (172, 233651), (242, 166066), (473, 84964), (484, 83033), (946, 42482), (1892, 21241), (1931, 20812), (3862, 10406), (5203, 7724)]