13357720

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{797}}^1$

素因数の和:1227

約数の個数: 32

約数和(自身を含む): 30164400

約数和(自身を除く): 16806680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 797, 838, 1594, 1676, 2095, 3188, 3352, 3985, 4190, 6376, 7970, 8380, 15940, 16760, 31880, 333943, 667886, 1335772, 1669715, 2671544, 3339430, 6678860, 13357720]

約数ペア:

[(1, 13357720), (2, 6678860), (4, 3339430), (5, 2671544), (8, 1669715), (10, 1335772), (20, 667886), (40, 333943), (419, 31880), (797, 16760), (838, 15940), (1594, 8380), (1676, 7970), (2095, 6376), (3188, 4190), (3352, 3985)]