4205905240

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{250949}}^1$

素因数の和:251379

約数の個数: 32

約数和(自身を含む): 9485910000

約数和(自身を除く): 5280004760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 8380, 16760, 250949, 501898, 1003796, 1254745, 2007592, 2509490, 5018980, 10037960, 105147631, 210295262, 420590524, 525738155, 841181048, 1051476310, 2102952620, 4205905240]

約数ペア:

[(1, 4205905240), (2, 2102952620), (4, 1051476310), (5, 841181048), (8, 525738155), (10, 420590524), (20, 210295262), (40, 105147631), (419, 10037960), (838, 5018980), (1676, 2509490), (2095, 2007592), (3352, 1254745), (4190, 1003796), (8380, 501898), (16760, 250949)]