1427560

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 3256200

約数和(自身を除く): 1828640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 401, 445, 712, 802, 890, 1604, 1780, 2005, 3208, 3560, 4010, 8020, 16040, 35689, 71378, 142756, 178445, 285512, 356890, 713780, 1427560]

約数ペア:

[(1, 1427560), (2, 713780), (4, 356890), (5, 285512), (8, 178445), (10, 142756), (20, 71378), (40, 35689), (89, 16040), (178, 8020), (356, 4010), (401, 3560), (445, 3208), (712, 2005), (802, 1780), (890, 1604)]