25019120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1039}}^1$

素因数の和:1102

約数の個数: 80

約数和(自身を含む): 68090880

約数和(自身を除く): 43071760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1039, 1204, 1505, 1720, 2078, 2408, 3010, 3440, 4156, 4816, 5195, 6020, 7273, 8312, 10390, 12040, 14546, 16624, 20780, 24080, 29092, 36365, 41560, 44677, 58184, 72730, 83120, 89354, 116368, 145460, 178708, 223385, 290920, 312739, 357416, 446770, 581840, 625478, 714832, 893540, 1250956, 1563695, 1787080, 2501912, 3127390, 3574160, 5003824, 6254780, 12509560, 25019120]

約数ペア:

[(1, 25019120), (2, 12509560), (4, 6254780), (5, 5003824), (7, 3574160), (8, 3127390), (10, 2501912), (14, 1787080), (16, 1563695), (20, 1250956), (28, 893540), (35, 714832), (40, 625478), (43, 581840), (56, 446770), (70, 357416), (80, 312739), (86, 290920), (112, 223385), (140, 178708), (172, 145460), (215, 116368), (280, 89354), (301, 83120), (344, 72730), (430, 58184), (560, 44677), (602, 41560), (688, 36365), (860, 29092), (1039, 24080), (1204, 20780), (1505, 16624), (1720, 14546), (2078, 12040), (2408, 10390), (3010, 8312), (3440, 7273), (4156, 6020), (4816, 5195)]