25386100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 59293080

約数和(自身を除く): 33906980

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 109, 137, 170, 218, 274, 340, 425, 436, 545, 548, 685, 850, 1090, 1370, 1700, 1853, 2180, 2329, 2725, 2740, 3425, 3706, 4658, 5450, 6850, 7412, 9265, 9316, 10900, 11645, 13700, 14933, 18530, 23290, 29866, 37060, 46325, 46580, 58225, 59732, 74665, 92650, 116450, 149330, 185300, 232900, 253861, 298660, 373325, 507722, 746650, 1015444, 1269305, 1493300, 2538610, 5077220, 6346525, 12693050, 25386100]

約数ペア:

[(1, 25386100), (2, 12693050), (4, 6346525), (5, 5077220), (10, 2538610), (17, 1493300), (20, 1269305), (25, 1015444), (34, 746650), (50, 507722), (68, 373325), (85, 298660), (100, 253861), (109, 232900), (137, 185300), (170, 149330), (218, 116450), (274, 92650), (340, 74665), (425, 59732), (436, 58225), (545, 46580), (548, 46325), (685, 37060), (850, 29866), (1090, 23290), (1370, 18530), (1700, 14933), (1853, 13700), (2180, 11645), (2329, 10900), (2725, 9316), (2740, 9265), (3425, 7412), (3706, 6850), (4658, 5450)]