25505880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4943}}^1$

素因数の和:5000

約数の個数: 64

約数和(自身を含む): 78312960

約数和(自身を除く): 52807080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 4943, 5160, 9886, 14829, 19772, 24715, 29658, 39544, 49430, 59316, 74145, 98860, 118632, 148290, 197720, 212549, 296580, 425098, 593160, 637647, 850196, 1062745, 1275294, 1700392, 2125490, 2550588, 3188235, 4250980, 5101176, 6376470, 8501960, 12752940, 25505880]

約数ペア:

[(1, 25505880), (2, 12752940), (3, 8501960), (4, 6376470), (5, 5101176), (6, 4250980), (8, 3188235), (10, 2550588), (12, 2125490), (15, 1700392), (20, 1275294), (24, 1062745), (30, 850196), (40, 637647), (43, 593160), (60, 425098), (86, 296580), (120, 212549), (129, 197720), (172, 148290), (215, 118632), (258, 98860), (344, 74145), (430, 59316), (516, 49430), (645, 39544), (860, 29658), (1032, 24715), (1290, 19772), (1720, 14829), (2580, 9886), (4943, 5160)]