13904420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 30820608

約数和(自身を除く): 16916188

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 167, 181, 230, 334, 362, 460, 668, 724, 835, 905, 1670, 1810, 3340, 3620, 3841, 4163, 7682, 8326, 15364, 16652, 19205, 20815, 30227, 38410, 41630, 60454, 76820, 83260, 120908, 151135, 302270, 604540, 695221, 1390442, 2780884, 3476105, 6952210, 13904420]

約数ペア:

[(1, 13904420), (2, 6952210), (4, 3476105), (5, 2780884), (10, 1390442), (20, 695221), (23, 604540), (46, 302270), (92, 151135), (115, 120908), (167, 83260), (181, 76820), (230, 60454), (334, 41630), (362, 38410), (460, 30227), (668, 20815), (724, 19205), (835, 16652), (905, 15364), (1670, 8326), (1810, 7682), (3340, 4163), (3620, 3841)]