5587420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 12307680

約数和(自身を除く): 6720260

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 89, 146, 172, 178, 215, 292, 356, 365, 430, 445, 730, 860, 890, 1460, 1780, 3139, 3827, 6278, 6497, 7654, 12556, 12994, 15308, 15695, 19135, 25988, 31390, 32485, 38270, 62780, 64970, 76540, 129940, 279371, 558742, 1117484, 1396855, 2793710, 5587420]

約数ペア:

[(1, 5587420), (2, 2793710), (4, 1396855), (5, 1117484), (10, 558742), (20, 279371), (43, 129940), (73, 76540), (86, 64970), (89, 62780), (146, 38270), (172, 32485), (178, 31390), (215, 25988), (292, 19135), (356, 15695), (365, 15308), (430, 12994), (445, 12556), (730, 7654), (860, 6497), (890, 6278), (1460, 3827), (1780, 3139)]