25331300

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^2\times {\mathrm{137}}^1$

素因数の和:237

約数の個数: 54

約数和(自身を含む): 56687778

約数和(自身を除く): 31356478

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 137, 172, 215, 274, 430, 548, 685, 860, 1075, 1370, 1849, 2150, 2740, 3425, 3698, 4300, 5891, 6850, 7396, 9245, 11782, 13700, 18490, 23564, 29455, 36980, 46225, 58910, 92450, 117820, 147275, 184900, 253313, 294550, 506626, 589100, 1013252, 1266565, 2533130, 5066260, 6332825, 12665650, 25331300]

約数ペア:

[(1, 25331300), (2, 12665650), (4, 6332825), (5, 5066260), (10, 2533130), (20, 1266565), (25, 1013252), (43, 589100), (50, 506626), (86, 294550), (100, 253313), (137, 184900), (172, 147275), (215, 117820), (274, 92450), (430, 58910), (548, 46225), (685, 36980), (860, 29455), (1075, 23564), (1370, 18490), (1849, 13700), (2150, 11782), (2740, 9245), (3425, 7396), (3698, 6850), (4300, 5891)]