25493300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 64162560

約数和(自身を除く): 38669260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 100, 140, 158, 175, 316, 350, 395, 461, 553, 700, 790, 922, 1106, 1580, 1844, 1975, 2212, 2305, 2765, 3227, 3950, 4610, 5530, 6454, 7900, 9220, 11060, 11525, 12908, 13825, 16135, 23050, 27650, 32270, 36419, 46100, 55300, 64540, 72838, 80675, 145676, 161350, 182095, 254933, 322700, 364190, 509866, 728380, 910475, 1019732, 1274665, 1820950, 2549330, 3641900, 5098660, 6373325, 12746650, 25493300]

約数ペア:

[(1, 25493300), (2, 12746650), (4, 6373325), (5, 5098660), (7, 3641900), (10, 2549330), (14, 1820950), (20, 1274665), (25, 1019732), (28, 910475), (35, 728380), (50, 509866), (70, 364190), (79, 322700), (100, 254933), (140, 182095), (158, 161350), (175, 145676), (316, 80675), (350, 72838), (395, 64540), (461, 55300), (553, 46100), (700, 36419), (790, 32270), (922, 27650), (1106, 23050), (1580, 16135), (1844, 13825), (1975, 12908), (2212, 11525), (2305, 11060), (2765, 9220), (3227, 7900), (3950, 6454), (4610, 5530)]