8051720

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1993}}^1$

素因数の和:2105

約数の個数: 32

約数和(自身を含む): 18304920

約数和(自身を除く): 10253200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 1993, 2020, 3986, 4040, 7972, 9965, 15944, 19930, 39860, 79720, 201293, 402586, 805172, 1006465, 1610344, 2012930, 4025860, 8051720]

約数ペア:

[(1, 8051720), (2, 4025860), (4, 2012930), (5, 1610344), (8, 1006465), (10, 805172), (20, 402586), (40, 201293), (101, 79720), (202, 39860), (404, 19930), (505, 15944), (808, 9965), (1010, 7972), (1993, 4040), (2020, 3986)]