90042790

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{45707}}^1$

素因数の和:45911

約数の個数: 16

約数和(自身を含む): 162903312

約数和(自身を除く): 72860522

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 45707, 91414, 228535, 457070, 9004279, 18008558, 45021395, 90042790]

約数ペア:

[(1, 90042790), (2, 45021395), (5, 18008558), (10, 9004279), (197, 457070), (394, 228535), (985, 91414), (1970, 45707)]