13190120

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{787}}^1$

素因数の和:1217

約数の個数: 32

約数和(自身を含む): 29786400

約数和(自身を除く): 16596280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 787, 838, 1574, 1676, 2095, 3148, 3352, 3935, 4190, 6296, 7870, 8380, 15740, 16760, 31480, 329753, 659506, 1319012, 1648765, 2638024, 3297530, 6595060, 13190120]

約数ペア:

[(1, 13190120), (2, 6595060), (4, 3297530), (5, 2638024), (8, 1648765), (10, 1319012), (20, 659506), (40, 329753), (419, 31480), (787, 16760), (838, 15740), (1574, 8380), (1676, 7870), (2095, 6296), (3148, 4190), (3352, 3935)]