201959720

素因数分解:

$2^3\times 5^1\times {\mathrm{2243}}^1\times {\mathrm{2251}}^1$

素因数の和:4505

約数の個数: 32

約数和(自身を含む): 454813920

約数和(自身を除く): 252854200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2243, 2251, 4486, 4502, 8972, 9004, 11215, 11255, 17944, 18008, 22430, 22510, 44860, 45020, 89720, 90040, 5048993, 10097986, 20195972, 25244965, 40391944, 50489930, 100979860, 201959720]

約数ペア:

[(1, 201959720), (2, 100979860), (4, 50489930), (5, 40391944), (8, 25244965), (10, 20195972), (20, 10097986), (40, 5048993), (2243, 90040), (2251, 89720), (4486, 45020), (4502, 44860), (8972, 22510), (9004, 22430), (11215, 18008), (11255, 17944)]