4908020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 11383680

約数和(自身を除く): 6475660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 439, 559, 860, 878, 1118, 1756, 2195, 2236, 2795, 4390, 5590, 5707, 8780, 11180, 11414, 18877, 22828, 28535, 37754, 57070, 75508, 94385, 114140, 188770, 245401, 377540, 490802, 981604, 1227005, 2454010, 4908020]

約数ペア:

[(1, 4908020), (2, 2454010), (4, 1227005), (5, 981604), (10, 490802), (13, 377540), (20, 245401), (26, 188770), (43, 114140), (52, 94385), (65, 75508), (86, 57070), (130, 37754), (172, 28535), (215, 22828), (260, 18877), (430, 11414), (439, 11180), (559, 8780), (860, 5707), (878, 5590), (1118, 4390), (1756, 2795), (2195, 2236)]