80521028

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{77723}}^1$

素因数の和:77771

約数の個数: 24

約数和(自身を含む): 165396672

約数和(自身を除く): 84875644

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 77723, 155446, 310892, 544061, 1088122, 2176244, 2875751, 5751502, 11503004, 20130257, 40260514, 80521028]

約数ペア:

[(1, 80521028), (2, 40260514), (4, 20130257), (7, 11503004), (14, 5751502), (28, 2875751), (37, 2176244), (74, 1088122), (148, 544061), (259, 310892), (518, 155446), (1036, 77723)]