4123880

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{787}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 9361440

約数和(自身を除く): 5237560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 787, 1048, 1310, 1574, 2620, 3148, 3935, 5240, 6296, 7870, 15740, 31480, 103097, 206194, 412388, 515485, 824776, 1030970, 2061940, 4123880]

約数ペア:

[(1, 4123880), (2, 2061940), (4, 1030970), (5, 824776), (8, 515485), (10, 412388), (20, 206194), (40, 103097), (131, 31480), (262, 15740), (524, 7870), (655, 6296), (787, 5240), (1048, 3935), (1310, 3148), (1574, 2620)]