103505720

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{19753}}^1$

素因数の和:19895

約数の個数: 32

約数和(自身を含む): 234677520

約数和(自身を除く): 131171800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 19753, 39506, 79012, 98765, 158024, 197530, 395060, 790120, 2587643, 5175286, 10350572, 12938215, 20701144, 25876430, 51752860, 103505720]

約数ペア:

[(1, 103505720), (2, 51752860), (4, 25876430), (5, 20701144), (8, 12938215), (10, 10350572), (20, 5175286), (40, 2587643), (131, 790120), (262, 395060), (524, 197530), (655, 158024), (1048, 98765), (1310, 79012), (2620, 39506), (5240, 19753)]