13872640

素因数分解:

$2^9\times 5^1\times {\mathrm{5419}}^1$

素因数の和:5442

約数の個数: 40

約数和(自身を含む): 33267960

約数和(自身を除く): 19395320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 5419, 10838, 21676, 27095, 43352, 54190, 86704, 108380, 173408, 216760, 346816, 433520, 693632, 867040, 1387264, 1734080, 2774528, 3468160, 6936320, 13872640]

約数ペア:

[(1, 13872640), (2, 6936320), (4, 3468160), (5, 2774528), (8, 1734080), (10, 1387264), (16, 867040), (20, 693632), (32, 433520), (40, 346816), (64, 216760), (80, 173408), (128, 108380), (160, 86704), (256, 54190), (320, 43352), (512, 27095), (640, 21676), (1280, 10838), (2560, 5419)]