25909380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20563}}^1$

素因数の和:20585

約数の個数: 72

約数和(自身を含む): 89823552

約数和(自身を除く): 63914172

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 20563, 41126, 61689, 82252, 102815, 123378, 143941, 185067, 205630, 246756, 287882, 308445, 370134, 411260, 431823, 575764, 616890, 719705, 740268, 863646, 925335, 1233780, 1295469, 1439410, 1727292, 1850670, 2159115, 2590938, 2878820, 3701340, 4318230, 5181876, 6477345, 8636460, 12954690, 25909380]

約数ペア:

[(1, 25909380), (2, 12954690), (3, 8636460), (4, 6477345), (5, 5181876), (6, 4318230), (7, 3701340), (9, 2878820), (10, 2590938), (12, 2159115), (14, 1850670), (15, 1727292), (18, 1439410), (20, 1295469), (21, 1233780), (28, 925335), (30, 863646), (35, 740268), (36, 719705), (42, 616890), (45, 575764), (60, 431823), (63, 411260), (70, 370134), (84, 308445), (90, 287882), (105, 246756), (126, 205630), (140, 185067), (180, 143941), (210, 123378), (252, 102815), (315, 82252), (420, 61689), (630, 41126), (1260, 20563)]