80202316

素因数分解:

$2^2\times {\mathrm{97}}^2\times {\mathrm{2131}}^1$

素因数の和:2329

約数の個数: 18

約数和(自身を含む): 141882468

約数和(自身を除く): 61680152

約数列:

[1, 2, 4, 97, 194, 388, 2131, 4262, 8524, 9409, 18818, 37636, 206707, 413414, 826828, 20050579, 40101158, 80202316]

約数ペア:

[(1, 80202316), (2, 40101158), (4, 20050579), (97, 826828), (194, 413414), (388, 206707), (2131, 37636), (4262, 18818), (8524, 9409)]