208020850

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{134207}}^1$

素因数の和:134250

約数の個数: 24

約数和(自身を含む): 399403008

約数和(自身を除く): 191382158

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 134207, 268414, 671035, 1342070, 3355175, 4160417, 6710350, 8320834, 20802085, 41604170, 104010425, 208020850]

約数ペア:

[(1, 208020850), (2, 104010425), (5, 41604170), (10, 20802085), (25, 8320834), (31, 6710350), (50, 4160417), (62, 3355175), (155, 1342070), (310, 671035), (775, 268414), (1550, 134207)]