28755920

素因数分解:

$2^4\times 5^1\times {\mathrm{359449}}^1$

素因数の和:359462

約数の個数: 20

約数和(自身を含む): 66857700

約数和(自身を除く): 38101780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359449, 718898, 1437796, 1797245, 2875592, 3594490, 5751184, 7188980, 14377960, 28755920]

約数ペア:

[(1, 28755920), (2, 14377960), (4, 7188980), (5, 5751184), (8, 3594490), (10, 2875592), (16, 1797245), (20, 1437796), (40, 718898), (80, 359449)]