54787880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{27953}}^1$

素因数の和:27978

約数の個数: 48

約数和(自身を含む): 143404020

約数和(自身を除く): 88616140

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 27953, 55906, 111812, 139765, 195671, 223624, 279530, 391342, 559060, 782684, 978355, 1118120, 1369697, 1565368, 1956710, 2739394, 3913420, 5478788, 6848485, 7826840, 10957576, 13696970, 27393940, 54787880]

約数ペア:

[(1, 54787880), (2, 27393940), (4, 13696970), (5, 10957576), (7, 7826840), (8, 6848485), (10, 5478788), (14, 3913420), (20, 2739394), (28, 1956710), (35, 1565368), (40, 1369697), (49, 1118120), (56, 978355), (70, 782684), (98, 559060), (140, 391342), (196, 279530), (245, 223624), (280, 195671), (392, 139765), (490, 111812), (980, 55906), (1960, 27953)]