395172020

素因数分解:

$2^2\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{15973}}^1$

素因数の和:17219

約数の個数: 24

約数和(自身を含む): 830584104

約数和(自身を除く): 435412084

約数列:

[1, 2, 4, 5, 10, 20, 1237, 2474, 4948, 6185, 12370, 15973, 24740, 31946, 63892, 79865, 159730, 319460, 19758601, 39517202, 79034404, 98793005, 197586010, 395172020]

約数ペア:

[(1, 395172020), (2, 197586010), (4, 98793005), (5, 79034404), (10, 39517202), (20, 19758601), (1237, 319460), (2474, 159730), (4948, 79865), (6185, 63892), (12370, 31946), (15973, 24740)]