12958720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{2531}}^1$

素因数の和:2556

約数の個数: 44

約数和(自身を含む): 31098024

約数和(自身を除く): 18139304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2531, 2560, 5062, 5120, 10124, 12655, 20248, 25310, 40496, 50620, 80992, 101240, 161984, 202480, 323968, 404960, 647936, 809920, 1295872, 1619840, 2591744, 3239680, 6479360, 12958720]

約数ペア:

[(1, 12958720), (2, 6479360), (4, 3239680), (5, 2591744), (8, 1619840), (10, 1295872), (16, 809920), (20, 647936), (32, 404960), (40, 323968), (64, 202480), (80, 161984), (128, 101240), (160, 80992), (256, 50620), (320, 40496), (512, 25310), (640, 20248), (1024, 12655), (1280, 10124), (2531, 5120), (2560, 5062)]