31513100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{3989}}^1$

素因数の和:4082

約数の個数: 36

約数和(自身を含む): 69266400

約数和(自身を除く): 37753300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950, 3989, 7900, 7978, 15956, 19945, 39890, 79780, 99725, 199450, 315131, 398900, 630262, 1260524, 1575655, 3151310, 6302620, 7878275, 15756550, 31513100]

約数ペア:

[(1, 31513100), (2, 15756550), (4, 7878275), (5, 6302620), (10, 3151310), (20, 1575655), (25, 1260524), (50, 630262), (79, 398900), (100, 315131), (158, 199450), (316, 99725), (395, 79780), (790, 39890), (1580, 19945), (1975, 15956), (3950, 7978), (3989, 7900)]