27753860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81629}}^1$

素因数の和:81655

約数の個数: 24

約数和(自身を含む): 61712280

約数和(自身を除く): 33958420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 81629, 163258, 326516, 408145, 816290, 1387693, 1632580, 2775386, 5550772, 6938465, 13876930, 27753860]

約数ペア:

[(1, 27753860), (2, 13876930), (4, 6938465), (5, 5550772), (10, 2775386), (17, 1632580), (20, 1387693), (34, 816290), (68, 408145), (85, 326516), (170, 163258), (340, 81629)]