69982520

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4363}}^1$

素因数の和:4775

約数の個数: 32

約数和(自身を含む): 157889520

約数和(自身を除く): 87907000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 4363, 8020, 8726, 16040, 17452, 21815, 34904, 43630, 87260, 174520, 1749563, 3499126, 6998252, 8747815, 13996504, 17495630, 34991260, 69982520]

約数ペア:

[(1, 69982520), (2, 34991260), (4, 17495630), (5, 13996504), (8, 8747815), (10, 6998252), (20, 3499126), (40, 1749563), (401, 174520), (802, 87260), (1604, 43630), (2005, 34904), (3208, 21815), (4010, 17452), (4363, 16040), (8020, 8726)]