87502520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{312509}}^1$

素因数の和:312527

約数の個数: 32

約数和(自身を含む): 225007200

約数和(自身を除く): 137504680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 312509, 625018, 1250036, 1562545, 2187563, 2500072, 3125090, 4375126, 6250180, 8750252, 10937815, 12500360, 17500504, 21875630, 43751260, 87502520]

約数ペア:

[(1, 87502520), (2, 43751260), (4, 21875630), (5, 17500504), (7, 12500360), (8, 10937815), (10, 8750252), (14, 6250180), (20, 4375126), (28, 3125090), (35, 2500072), (40, 2187563), (56, 1562545), (70, 1250036), (140, 625018), (280, 312509)]